Fluorescent Mineral Specimens Under Shortwave and Longwave Ultraviolet Light

Polman Minerals
Fine Fluorescent Mineral Specimens
and Ultraviolet Lamps

Welcome to the Polman Mineral Reverse Auction!

 

 

Here is how it works:

 

 

 

Specimens listed on this page will have a starting price and a starting date.  If you like the specimen, you may buy it outright at the starting price listed, or wait as the auction progresses.  Remember, it is first come first served, so if you want the specimen, you have to email or call immediately.

Periodically (it could be any number of days), we will reduce the price of that specimen.  The new price and date will be listed beneath the starting price.  Even if you are on the Polman Minerals email list, you will not be notified of this reduction.  The amount of reduction will be totally arbitrary.  As the price gets lower and lower, more and more people will want the specimen.  Once it reaches a price that you are willing to pay for the specimen, email immediately and purchase it!  Once a specimen has been purchased, it will be marked as sold.

The strategy for a reverse auction is to find a specimen you would like to own, and watch the auction page constantly.  We suggest you bookmark the auction page, and check it out at least daily.  Remember, there could be many other people watching the same specimen.  Only emails or calls made after the new price is posted will qualify.  There is no pre-bidding (in other words, no emails saying you will purchase the specimen when it reaches a certain price).

We guarantee quality specimens will be posted on this page, and the price will be lowered and lowered until they are sold (regardless of the price)!  A reverse auction is great way to get quality specimens cheaply, and can be a lot of fun in the process. As always, the customer is responsible for shipping and insurance costs.  Let us know if you have any questions or comments about our new Reverse Auction page.

 

 

Let the fun begin!!

 

 

 

For quick email access to purchase a specimen, you may click here.

White Light

Shortwave Ultraviolet

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Name: Idrialite
Location: Eureka Mine, Sonoma County, California.
Size: 3 x 2.5 x 1-inches
Notes:
Here is a really nice multi-colored idrialite specimen from the Eureka Mine in California.  The specimen is sawcut on one face (front) and natural on the other (back).  Idrialite is a rare hydrocarbon mineral with the chemical formula C22H14.  The mineral was first discovered in 1832 at the Idria Mine in Slovenia.  Idrialite and curtisite were once thought to be the same mineral. However, it was later determined that they are both complex minerals, with different chemical compositions.  In fact, idrialite is composed of eight distinct hydrocarbons that have crystallized together, and lacks a singular ideal composition.  Mindat has idrialite as “possibly a complex mixture of polycyclic aromatic hydrocarbons.”  Despite this, it is still listed as a valid mineral species, whereas curtisite is not.   Idrialite can range in fluorescing colors from creamy yellow to bluish green. 

Starting Price: $65.00 (2/7/19)
Reduced Price: $62.00 (3/5/19)
Reduced Price: $59.00 (4/4/19)

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Midrange Ultraviolet 

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RA-2053  SOLD

RA-2053  SOLD

 

 

Name: Calcite, Fluorite
Location: Pure Potential Mine, La Paz County, Arizona.
Size: 3.5 x 3 x 2-inches
Notes:
Here is a nice specimen of calcite and fluorite that was collected down in the Pure Potential Mine when it was in operation.  This specimen has not been weathered as those collected on a surface dump.  The specimen will fluoresce under shortwave and longwave ultraviolet, but midrange provides the best response.  Specimens from this mine are some of the best midrange specimens available.  With the fluorite fluorescing violet and the calcite red, this color combination puts the colors on each end of the visible spectrum.  The human eye has a slight problem with the contrast created by colors this far apart on the spectrum, thus giving this material a sort of “eerie” glow to it.  Some of my favorite specimens in my own collection come from this mine. 

Starting Price: $35.00 (4/4/19)  SOLD

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Longwave Ultraviolet

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Name: Calcite
Location:
Chihuahua, Mexico.
Size: 4 x 3.5 x 3-inches
Notes:
Here is a specimen of calcite/aragonite from Mexico.  The fresh surface is very bright white under longwave ultraviolet, and more creamy yellow under shortwave ultraviolet.  There are some areas that have been weathered and fluorese yellow/orange.  The specimen is also phosphorescent as well, after exposure to shortwave ultraviolet.  

Starting Price: $45.00 (9/13/18)
Reduced Price: $42.00 (9/27/18)
Reduced Price: $39.00 (10/22/18)
Reduced Price: $36.00 (11/12/18)
Reduced Price: $33.00 (2/7/19)
Reduced Price: $30.00 (3/5/19)
Reduced Price: $27.00 (4/4/19)

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Shortwave Ultraviolet

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RA-2054  SOLD

RA-2054  SOLD

 

 

Name: Eucryptite, Calcite, Scheelite
Location:
Xianghualing Mine, Linwu County, Chenzhou Prefecture, Hunan Province, China.
Size: 2.5 x 2.5 x 1-inches
Notes:
Here is a specimen of eucryptite from China.  The photograph does not do the specimen justice.  Along the far left side of the specimen is a fluorescent orangey/red calcite.  The remaining red in the photograph is the deep crimson fluorescing eucryptite.  There are also a few specs of fluorescent sky blue scheelite as well. 

Starting Price: $35.00 (4/4/19)  SOLD

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Shortwave Ultraviolet

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Name: Calcite, Hydrozincite
Location: Crittenden County, Kentucky.
Size: 4.5 x 4 x 2-inches
Notes:
Here is a specimen of fluorescing creamy yellow calcite in a barite matrix.  There is also some sky blue fluorescing hydrozincite veins as well.

Starting Price: $45.00 (9/13/18)
Reduced Price: $42.00 (9/27/18)
Reduced Price: $39.00 (10/22/18)
Reduced Price: $36.00 (11/12/18)
Reduced Price: $33.00 (2/7/19)
Reduced Price: $30.00 (3/5/19)
Reduced Price: $27.00 (4/4/19)

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Shortwave Ultraviolet  

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Name: Opal
Location:
East of Manzano Mountains, Torrance County, New Mexico.
Size: 3.5 x 3 x 1.5-inches
Notes:
Here is a real nice milky white opal from a new find in New Mexico.  The opal was found at a road construction site before the entire outcropping was covered over.  The milky white opal has almost a pearly luster to it.  The fluorescent response is very bright green under shortwave ultraviolet light.  It will also fluoresce a bit under longwave as well.  The activator in this material is most likely a trace of uranium.  This is a nice specimen that is almost 100 percent opal.

Starting Price: $35.00 (9/27/18)
Reduced Price: $32.00 (10/22/18)
Reduced Price: $29.00 (11/12/18)
Reduced Price: $26.00 (2/7/19)
Reduced Price: $23.00 (3/5/19)
Reduced Price: $20.00 (4/4/19)

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Shortwave Ultraviolet

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RA-2055  SOLD

RA-2055  SOLD

 

 

Name: Fluorite, Calcite, Willemite
Location: Hull Mine, Yuma County, Arizona.
Size: 3 x 2 x 1-inches
Notes:
Here is specimen from the Hull Mine in Arizona.  In the early 1990s I would be able to drive my truck into this mine all the way down to the 400 foot level (see pictures on my website).   This specimen contains violet fluorescing fluorite, red fluorescing calcite and some fluorescent creamy yellow/green willemite. 

Starting Price: $35.00 (4/4/19)  SOLD

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Longwwave Ultraviolet

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Name: Sphalerite
Location:
Horn Silver Mine, San Francisco Mountains, Beaver County, Utah.
Size: 1.75 x 1.5 x 1.5-inches
Notes:
Here is a multi-colored specimen of fluorescing sphalerite from the famous Horn Silver Mine in Utah.  This mine is known for producing fluorescent sphalerite in various colors, ranging from orange, yellow/orange, peach, salmon, teal, sky blue, pink, green, tan and lavender.  In some cases, all the colors mentioned can be seen in one specimen!  All the sphalerite, no matter what the fluorescent color, is highly phosphorescent after exposure to longwave ultraviolet light.  The sphalerite is also highly triboluminescent as well.  In some cases, light can be generated by just scratching the specimens with a finger nail!  The sphalerite is also highly fluorescent and phosphorescent using the 405nm lasers that are now for sale on my website. 

The history of both the mine and the recovery of these amazing sphalerite specimens is extremely interesting.  If you would like to know more about both, there is a discussion posted on the Horn Silver Mine Showcase page of this website.

Starting Price: $40.00 (3/5/19)
Reduced Price: $38.00 (4/4/19)

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Shortwave Ultraviolet 

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Name: Tremolite
Location: Richville, St. Lawrence County, New York.
Size: 5 x 5 x 2.5-inches
Notes:
Here is a specimen of fluorescent tremolite blades in marble.  The specimen is relatively rich for this locality.  Although the marble and the tremolite appear bluish in the photograph, the tremolite is more creamy yellow/creamy white and the marble is non-fluorescent.  
 

Starting Price: $45.00 (11/12/18)
Reduced Price: $42.00 (2/7/19)
Reduced Price: $39.00 (3/5/19)
Reduced Price: $36.00 (4/4/19)   

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Shortwave Ultraviolet 

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Name: Calcite, Scheelite
Location: Bonito Mine, Near Oracle, Arizona.
Size: 4 x 4 x 2.5-inches
Notes:
This is a nice two color specimen containing scheelite and calcite from the Bonito Mine in Arizona.   I originally staked a claim on this mine some 25 years ago.  However, the BLM got back to me and told me the land was not available for claim due to some land trade with the previous owners and the Forest Service.  The scheelite fluoresces a bright sky blue under shortwave ultraviolet, and the calcite fluoresces a bright red.   For anyone putting together an Arizona collection, a specimen from this mine is a must.

Starting Price: $65.00 (2/7/19)
Reduced Price: $62.00 (3/5/19)
Reduced Price: $59.00 (4/4/19)    

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Shortwave Ultraviolet

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Name: Willemite, Calcite
Location:
Third Plain Zinc Prospect, Flinders Ranges, South Australia.
Size: 3 x 3 x 1.5-inches
Notes:
Here is a small specimen from Australia.  The specimen consists of willemite and calcite.  The willemite fluoresces both green and blue green.  The calcite fluoresces red.  The willemite is very phosphorescent as well.

Starting Price: $30.00 (4/4/19) 

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Shortwave Ultraviolet 

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Name: Wollastonite, Calcite
Location: White Knob Quarry, Lucerne Valley, San Bernardino County, California.
Size: 5 x 4 x 3-inches
Notes:
Here is a nice specimen of fluorescent medium yellow wollastonite from the White Knob Quarry in California.  When the manganese content is just right, the wollastonite from this quarry can be quite bright.   

Starting Price: $50.00 (11/12/18)
Reduced Price: $47.00 (2/7/19)
Reduced Price: $44.00 (3/5/19)
Reduced Price: $41.00 (4/4/19)          

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Longwave Ultraviolet 

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Midrange Ultraviolet 

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Name: Hackmanite, Richterite
Location: Sar-e-Sang, Koksha Valley, Badakhshan Province, Afghanistan.
Size: 2 x 1.75 x 1.25-inches
Notes:
Here is a nice small specimen consisting of hackmanite and richterite.  Under longwave ultraviolet light the hackmanite fluoresces a bright orange.  Under midrange ultraviolet light the hackmanite fluoresces a light lavender color.  Under shortwave ultraviolet light the hackmanite fluoresces an even more pale lavender and is very phosphorescent.   Richterite is a sodium calcium magnesium silicate, and fluoresces a pale yellow color mainly under shortwave ultraviolet.

Starting Price: $40.00 (3/5/19)
Reduced Price: $38.00 (4/4/19)

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Shortwave Ultraviolet 

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RA-1998  SOLD

RA-1998  SOLD

 

 

Name: Powellite, Scheelite
Location: Garnet Hill, Amador County, California.
Size: 5 x 2 x 3-inches
Notes:
Here is a nice little two color “starry night” specimen of both scheelite and powellite.  The ID of the two minerals is just based on a visual inspection of the fluorescent response, with the creamy yellow assumed to be powellite.  The piece is from a locality in California that I am not familiar with.  Another plus for California collectors.


Starting Price: $40.00 (10/22/18)
Reduced Price: $37.00 (11/12/18)
Reduced Price: $34.00 (2/7/19)
Reduced Price: $31.00 (3/5/19)
Reduced Price: $29.00 (4/4/19)  SOLD     

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Shortwave Ultraviolet 

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Name: Calcite (Fossil Clams)
Location: Tampa, Florida.
Size: 3.5 x 3 x 2-inches
Notes:
Here is a specimen from Florida that contains a bright creamy white fluorescent calcite, as well as fossilized clam shells.  The calcite is highly phosphorescent as well. 

Starting Price: $45.00 (10/22/18)
Reduced Price: $42.00 (11/12/18)
Reduced Price: $39.00 (2/7/19)
Reduced Price: $36.00 (3/5/19)
Reduced Price: $33.00 (4/4/19)        

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Shortwave Ultraviolet 

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Name: Opal
Location: Hackberry Wash, San Berndardino County, California.
Size: 5 x 3 x 1-inches
Notes:
Here is a cut slab (front only cut, back is natural) of common opal from California.   The slab is attractive due to the varying brightness in certain areas.   If you collect cut fluorescent slabs, here is a pretty specimen for your collection.

Starting Price: $40.00 (11/12/18)
Reduced Price: $37.00 (2/7/19)
Reduced Price: $34.00 (3/5/19)
Reduced Price: $31.00 (4/4/19)             

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Shortwave Ultraviolet 

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Name: Willemite, Calcite
Location: Franklin Mine, Franklin, New Jersey.
Size: 3.5 x 3 x 1-inches
Notes:
Here is a specimen of willemite and calcite that was most likely collected on a dump in Franklin, New Jersey.  Even though it’s a dump specimen, it still is a good specimen for a beginner.

Starting Price: $30.00 (11/12/18)
Reduced Price: $27.00 (2/7/19)
Reduced Price: $24.00 (3/5/19)
Reduced Price: $21.00 (4/4/19)         

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Shortwave Ultraviolet   

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Name: Wollastonite, Calcite
Location:
Sterling Hill Mine, Ogdensburg, New Jersey.
Size: 4 x 2 x 1-inches
Notes:
Here is a specimen of bright yellow fluorescent wollastonite in a matrix of medium red fluorescing calcite.  This material was collected in the late 1980s prior to the mine flooding.

Starting Price: $40.00 (11/12/18)
Reduced Price: $37.00 (2/7/19)
Reduced Price: $34.00 (3/5/19)
Reduced Price: $31.00 (4/4/19)       

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Shortwave Ultraviolet 

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Name: Calcite
Location: Rio de Janeiro, Brazil.
Size: 3 x 3 x 2-inches
Notes:
Here is a nice specimen of a calcite from Brazil.  I purchased this material at least 25 years ago.  The calcite fluoresces a bright creamy white under all three wavelengths.  The calcite is also phosphorescent as well.  

Starting Price: $45.00 (11/12/18)
Reduced Price: $43.00 (2/7/19)
Reduced Price: $40.00 (3/5/19)
Reduced Price: $37.00 (4/4/19)    

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Shortwave Ultraviolet 

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Name: Calcite, Dolomite
Location: Langban, Filipstad, Varmland, Sweden.
Size: 3 x 3 x 1.75-inches
Notes:
Here is a specimen from Langban, Sweden.  This specimen contains mostly red fluorescing calcite with some crimson fluorescing dolomite.  Langban, Sweden is a classic mineral location, on par with Franklin, New Jersey for the shear number of minerals found there. 

Starting Price: $35.00 (4/4/19)               

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Shortwave Ultraviolet 

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RA-2042  SOLD

RA-2042  SOLD

 

 

Name: Calcite, Hydrozincite
Location: Glove Mine, Santa Rita Mountains, Santa Cruz County, Arizona.
Size: 4 x 3 x 2.5-inches
Notes:
Here is a specimen of calcite and hydrozincite from the famous Glove Mine in Arizona.  The Glove mine, which is now sealed off to collectors, was a famous wulfenite locality.    The calcite fluoresces red and the hydrozincite fluoresces sky blue, both best under shortwave ultraviolet light.  The mix of the two minerals makes for a very aesthetic specimen.       

Starting Price: $45.00 (3/5/19)
Reduced Price: $42.00 (4/4/19)  SOLD     

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Shortwave Ultraviolet 

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Name: Chalcedony
Location:
Potts Canyon, Near Superior, Arizona.
Size: 3 x 2.5 x 2-inches
Notes:
Here is a specimen of pale blue chalcedony within a matrix of perlite from the volcanic fields near Superior, Arizona.  The chalcedony from this location can be found in geodes which can be extracted from the perlite.  This specimen is a portion of a geode, but is not complete.  The chalcedony in this specimen fluoresces green (caused by a trace of uranium).
 

Starting Price: $30.00 (11/12/18)
Reduced Price: $27.00 (2/7/19)
Reduced Price: $24.00 (3/5/19)
Reduced Price: $21.00 (4/4/19)  

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Shortwavae Ultraviolet 

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Name: Calcite, Scheelite
Location: Bonito Mine, Near Oracle, Arizona.
Size: 4 x 2.5 x 3-inches
Notes:
This is a nice two color specimen containing scheelite and calcite from the Bonito Mine in Arizona.   I originally staked a claim on this mine some 25 years ago.  However, the BLM got back to me and told me the land was not available for claim due to some land trade with the previous owners and the Forest Service.  The scheelite fluoresces a bright sky blue under shortwave ultraviolet, and the calcite fluoresces a bright red.   For anyone putting together an Arizona collection, a specimen from this mine is a must.

Starting Price: $45.00 (3/5/19)
Reduced Price: $42.00 (4/4/19)       

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Shortwave Ultraviolet 

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RA-2058  SOLD

RA-2058  SOLD

 

 

Name: Caliche
Location: Amethyst Hill, Near Wickenburg, Arizona.
Size: 4 x 2 x 2-inches
Notes:
Here is a nice three color caliche specimen from the Amethyst Hill site in Arizona.  The specimen consists of caliche that fluoresces creamy white, orangey yellow as well as green. 

Starting Price: $35.00 (4/4/19)  SOLD                

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Midrange Ultraviolet 

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Name: Magnesite, Chalcedony
Location: Near Bagdad, Arizona.
Size: 5 x 5 x 2.5-inches
Notes:
Here is a specimen that I collected recently from a new find in Arizona.  Under midrange ultraviolet, the specimen contains a creamy white fluorescing magnesite, with veins of green fluorescing chalcedony.  Under shortwave ultraviolet light, the magnesite fluoresces a more bluish white, and the chalcedony can fluoresce in three shades of green.  I photographed these specimens under midrange ultraviolet so my camera would not over emphasize the blue.  However, the specimens are much more aesthetic under shortwave ultraviolet light.  The magnesite is also phosphorescent.

Starting Price: $150.00 (11/12/18)
Reduced Price: $145.00 (2/7/19)
Reduced Price: $140.00 (3/5/19)
Reduced Price: $135.00 (4/4/19)                     

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Shortwave Ultraviolet 

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Name: Carpathite
Location: Los Picachos #1 Mine, New Idria District, San Benito County, California.
Size: 2 x 1.5 x 1.5-inches
Notes:
Here is a little specimen of carpathite from California.   Carpathite, formally known as Karpatite, is basically a polycyclic aromatic hydrocarbon or PAH with a formula of C24H12.  Carpathite fluoresces a nice sky blue under all wavelengths. 

Starting Price: $45.00 (11/12/18)
Reduced Price: $42.00 (2/7/19)
Reduced Price: $39.00 (3/5/19)
Reduced Price: $36.00 (4/4/19)      

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Shortwave Ultraviolet 

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Name: Phlogopite
Location: Sar-e-Sang, Koksha Valley, Badakhshan Province, Afghanistan.
Size: 3.5 x 3.5 x 2-inches
Notes:
Here is a specimen of bright creamy yellow fluorescing phlogopite from Afghanistan.  The specimen contains some nice phlogopite crystals on the right side.  Some phlogopite from this locality fluoresces orange under longwave and midrange ultraviolet light.  This particular specimen does not, but still exhibits a very bright creamy yellow response under shortwave ultraviolet.    

Starting Price: $100.00 (9/27/18)
Reduced Price: $95.00 (10/22/18)
Reduced Price: $90.00 (11/12/18)
Reduced Price: $85.00 (2/7/19)
Reduced Price: $80.00 (3/5/19)
Reduced Price: $75.00 (4/4/19)           

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Shortwave Ultraviolet 

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RA-2059  SOLD

RA-2059  SOLD

 

 

Name: Benitoite
Location: Benitoite Gem Mine, San Benito County, California.
Size: 3 x 2 x 1-inches
Notes:
Here is a small
specimen of benitoite from the famous Benitoite Gem Mine in California.  This specimen contains one larger crystal on the right side along with a few smaller ones.  As most of you know, specimens of benitoite with large well defined crystals are extremely expensive.  This specimen is a nice small representative sample of this beautiful fluorescent mineral species.

Starting Price: $30.00 (4/4/19)  SOLD

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Shortwave Ultraviolet 

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Name: Diopside, Fluoro-edenite
Location: Rhein Property, Amity, Town of Warwick, Orange County, New York.
Size: 2.5 x 1.5 x 1.25-inches
Notes: 
Here is a two color specimen consisting of fluorescent sky blue diopside, with the rarer mineral fluoro-edenite, which fluoresces a creamy yellow.  This material was recently discovered (a few years ago) on the Rhein Property in New York State.  The specimens were found within the Franklin Marble, which trends northward from the New Jersey Highlands into the state of  New York. Fluoro-edenite is in the amphibole group of minerals.  The chemical formula for fluoro-edenite is NaCa2Mg5(AlSi7O22)(F,OH)2. 

Starting Price: $40.00 (11/12/18)
Reduced Price: $37.00 (2/7/19)
Reduced Price: $34.00 (3/5/19)
Reduced Price: $31.00 (4/4/19)  

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Shortwave Ultraviolet   

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RA-2060  SOLD

RA-2060  SOLD

 

 

Longwave Ultraviolet  

 

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RA-2060  SOLD

 

 

 

Name: Willemite, Sphalerite
Location: Nellie James Mine, Miller Canyon, Huachuca Mountains, Cochise County, Arizona.
Size: 3 x 2.5 x 2-inches
Notes:
Here is a very nice two color specimen from the Nellie James Mine in Arizona.  The specimen contains fluorescent green willemite (shortwave) and fluorescent yellow/orange sphalerite (longwave).  Sphalerite at this mine is not as common as the willemite and calcite that you see often for sale.  The sphalerite is also highly phosphorescent as well.  If you are an Arizona collector, this specimen of willemite and sphalerite is top notch for this location.   

Starting Price: $45.00 (4/4/19)  SOLD

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Longwave Ultraviolet 

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Name: Calcite
Location: Chihuahua, Mexico.
Size: 3.5 x 2 x 2-inches
Notes:
This is a nice specimen of calcite showing both zoning and two color fluorescence.    Some of the specimen fluoresces bright creamy yellow, while other portions fluoresce a pinkish orange color.  The pinkish color is better seen in person.  Specimens collected from this locality are usually etched with acid to remove lime scale.  This specimen was broken from a larger specimen, so portions are not acid etched.  The main face photographed above is a natural face.  This material exhibits a very unusual combination of color.

Starting Price: $40.00 (9/13/18)
Reduced Price: $37.00 (9/27/18)
Reduced Price: $34.00 (10/22/18)
Reduced Price: $31.00 (11/12/18)
Reduced Price: $29.00 (2/7/19)
Reduced Price: $26.00 (3/5/19)
Reduced Price: $23.00 (4/4/19)            

White Light

Longwave Ultraviolet

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RA-1954  SOLD

RA-1954  SOLD

 

 

Name: Selenite
Location:
Red River Floodway, Winnipeg, Manitoba, Canada..
Size: 3.5 x 3 x 3-inches
Notes:
Here is a beautiful specimen of selenite from the world famous Manitoba, Canada locality.  This specimen is very clean, with very little crystal damage.  In white light it has a very nice luster to it.  The specimen will fluoresce under all three wavelengths, with longwave providing the best response.  The selenite is also highly phosphorescent as well.  If you are looking for a choice specimen from this locality, this may be the one for you.

Starting Price: $200.00 (5/31/18)
Reduced Price: $190.00 (7/9/18)
Reduced Price: $180.00 (9/13/18)
Reduced Price: $170.00 (9/27/18)
Reduced Price: $160.00 (10/22/18)
Reduced Price: $150.00 (11/12/18)
Reduced Price: $140.00 (2/7/19)
Reduced Price: $130.00 (3/5/19)
Reduced Price: $120.00 (4/4/19)  SOLD                

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Midrange Ultraviolet

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Longwave Ultraviolet

 

RA-1968L

 

RA-1968

 

 

 

Name: Hackmanite, Calcite, Dolomite?
Location:
Sar-e Sang, Koksha Valley, Badakhshan Province, Afghanistan.
Size: 4 x 2.5 x 1.5-inches
Notes:
Here is a nice three color specimen from Afghanistan.  I have heard from multiple sources that specimen mining from this area has been significantly reduced lately.  As a result I have been buying specimens from my local contacts that have been in storage for quite some time.  This specimen contains highly phosphorescent hackmanite, which fluoresces orange, red fluorescing calcite and an unknown fluorescing light blue mineral.  I have had some of this light blue material analyzed and it came back as dolomite.

Starting Price: $100.00 (7/9/18)
Reduced Price: $95.00 (9/13/18)
Reduced Price: $90.00 (9/27/18)
Reduced Price: $85.00 (10/22/18)
Reduced Price: $80.00 (11/12/18)
Reduced Price: $75.00 (2/7/19)
Reduced Price: $70.00 (3/5/19)
Reduced Price: $65.00 (4/4/19)             

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Shortwave Ultraviolet

RA-2021w

RA-2021s

RA-2021

RA-2021

 

 

Name: Powellite
Location: Taylor Mine Complex, Crater Island District, Box Elder County, Utah.
Size: 3.5 x 3 x 1.5-inches
Notes:
Here is a nice specimen of powellite from a new fluorescent mineral find in Utah.  The specimen has a bit of a “starry night” look to it.  The powellite is very bright under shortwave ultraviolet light.  It fluoresces a deep creamy yellow.   From work that has been done on this material, it appears that this is true powellite and not scheelite with high molybdenum content.  I have a couple of nice display size specimens that will be placed on the website for sale in the near future.  

Starting Price: $45.00 (11/12/18)
Reduced Price: $42.00 (2/7/19)
Reduced Price: $39.00 (3/5/19)
Reduced Price: $36.00 (4/4/19)      

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Longwave Ultraviolet 

RA-1982w

RA-1982L

RA-1982

RA-1982

 

 

Name: Calcite, Aragonite (Septarian Nodule)
Location: Near Orderville, Kane County, Utah.
Size: 5 x 4 x 3-inches
Notes:
Here is a nice sample of a septarian nodule from Utah.  This classic material is usually sold as cut slabs or in some shape that has been carved and polished.  I believe there is still several theories on the origin of these really pretty nodules.  When you have a full nodule that is cut in half (like a geode), they can be really pretty inside, with various patterns and colors.  This specimen has been broken and not cut, making it the perfect specimen for the purest out there who prefers not to have cut specimens.  The specimen above contains orangey yellow fluorescing calcite crystals in tiny vugs, and creamy white aragonite that is surrounding some of the non-fluorescent rock within the nodule.  The yellow fluorescing calcite is best under longwave ultraviolet, and the aragonite is best under shortwave ultraviolet, but fluoresces very well under longwave as well.  

Starting Price: $75.00 (9/13/18)
Reduced Price: $72.00 (9/27/18)
Reduced Price: $69.00 (10/22/18)
Reduced Price: $66.00 (11/12/18)
Reduced Price: $63.00 (2/7/19)
Reduced Price: $60.00 (3/5/19)
Reduced Price: $57.00 (4/4/19)            

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Shortwave Ultraviolet 

RA-2061w

RA-2061s

RA-2061  SOLD

RA-2061  SOLD

 

 

Name: Caliche, Scheelite
Location:
Princess Pat Mine, Near Adalanto, California.
Size: 4.5 x 4.5 x 2.5-inches
Notes:
Here is a nice three color specimen from the Princess Pat Mine in California.  The specimen consists of orange and green fluorescing caliche along with spots of sky blue fluorescing scheelite.  Caliche, being a secondary coating of CaCO3, is very common in the desert southwest. Occasionally caliche will fluoresce green (due to a trace of uranium), or orange (not sure if the activator for orange fluorescing caliche has been determined).  The bright orange, green and sky blue make for a very aesthetic combination.

Starting Price: $45.00 (4/4/19)  SOLD  

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Shortwave Ultraviolet 

RA-2006w

RA-2006s

RA-2006

RA-2006

 

 

Name: Willemite, Calcite
Location: Nellie James Mine, Miller Canyon, Huachuca Mountains, Cochise County, Arizona.
Size: 3.5 x 2.5 x 2-inches
Notes:
Here is a nice specimen from the Nellie James Mine in Arizona.  The specimen contains a bright green fluorescing willemite on a medium red fluorescing calcite.  The willemite is highly phosphorescent in this specimen.

Starting Price: $45.00 (10/22/18)
Reduced Price: $42.00 (11/12/18)
Reduced Price: $39.00 (2/7/19)
Reduced Price: $36.00 (3/5/19)
Reduced Price: $33.00 (4/4/19)    

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Shortwave Ultraviolet 

RA-2022w

RA-2022s

RA-2022

RA-2022

 

 

Name: Hyalite Opal
Location: Zacatecas, Mexico.
Size: 5 x 6 x 3-inches
Notes:
Here is a specimen of the very interesting daylight fluorescing hyalite opal from Mexico.  The find was discovered a few years ago, and has recently been mined out.  Under incandescent lighting, this hyalite is the typical clear color.  However, when exposed to outside lighting, the opal will begin to change color to green, as it begins to fluoresce from the scattered UV light in daylight (this specimen was not photographed in daylight, so the daylight fluorescence is not seen).  Another interesting characteristic of this hyalite is that it fluoresces best when exposed to violet light in the 420nm range.  It will, of course, fluoresce very brightly under all three wavelengths of ultraviolet light.  With sales of these specimens from my Worldwide Showcase, I have been including a free 405nm laser.  This hyalite opal will EXPLODE with bright green fluorescence when exposed to this laser!  For the Reverse Auction, I will provide the laser free if the specimen is purchased on the first day of the RA.  Otherwise, the laser’s are available for sale at the price of $10.00 each.

Starting Price: $100.00 (11/12/18)
Reduced Price: $90.00 (2/7/19)
Reduced Price: $80.00 (3/5/19)
Reduced Price: $70.00 (4/4/19)   

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Shortwave Ultraviolet 

RA-2037w

RA-2037s

RA-2037

RA-2037

 

 

Name: Willemite, Calcite
Location: Franklin Mine, Franklin, New Jersey.
Size: 5 x 3 x 1.5-inches
Notes:
Here is a specimen from the world famous Franklin Mine in New Jersey.  This specimen is a cut slab on one side (front) and natural on the back.  The specimen contains fluorescent green willemite and fluorescent red calcite mixed with non-fluorescent andradite.  The nice swirl pattern makes it an aesthetic specimen.

Starting Price: $45.00 (2/7/19)
Reduced Price: $42.00 (3/5/19)
Reduced Price: $39.00 (4/4/19)   

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Shortwave Ultraviolet  

RA-2048w

RA-2048s

RA-2048  SOLD

RA-2048  SOLD

 

 

Name: Scheelite, Calcite
Location: Tempiute Mine, Rachel, Nevada.
Size: 3 x 2.5 x 2.5-inches
Notes:
Here is an interesting specimen from a relatively new fluorescent mineral find in Nevada.  The specimen contains fluorescent red calcite as the matrix.  Within the matrix are some spots of fluorescent sky blue scheelite.  The two colors make for a very aesthetic combination.  Under midrange ultraviolet light, the scheelite does a nice color change to creamy yellow. 

Starting Price: $45.00 (3/5/19)
Reduced Price: $42.00 (4/4/19)  SOLD 

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Shortwave Ultraviolet  

RA-2049w

RA-2049s

RA-2049  SOLD

RA-2049  SOLD

 

 

Name: Fluorite, Calcite, Willemite
Location: Hull Mine, Yuma County, Arizona.
Size: 4 x 3.5 x 2-inches
Notes:
Here is specimen from the Hull Mine in Arizona.  In the early 1990s I would be able to drive my truck into this mine all the way down to the 400 foot level (see pictures on my website).   This specimen contains violet fluorescing fluorite, red fluorescing calcite,  and some fluorescent creamy yellow/green willemite. 

Starting Price: $35.00 (3/5/19)
Reduced Price: $32.00 (4/4/19)  SOLD 

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Shortwave Ultraviolet  

RA-2050w

RA-2050s

RA-2050

RA-2050

 

 

Name: Zircon
Location: Eureka Tunnel, St. Peters Dome, Cheyenne District, El Paso County, Colorado.
Size: 2.5 x 2 x 1-inches
Notes:
Here is a small specimen of fluorescent zircon in a matrix of quartz from Colorado.  This specimen, as well as the others I have for sale on the US Showcase page, was collected prior to the 1980s.  The specimens are very rich with small zircon crystals.  Some specimens contain a non-fluorescent fluorite as well.  The zircons in this material are over 1 billion years old! 

Starting Price: $40.00 (3/5/19)
Reduced Price: $37.00 (4/4/19) 

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Shortwave Ultraviolet  

RA-2062w

RA-2062s

RA-2062

RA-2062

 

 

Name: Calcite, Hydrozincite
Location: Ajax Mine, Near Superior, Arizona.
Size: 3 x 2.5 x 1.25-inches
Notes:
Here is a specimen of fluorescing red calcite along with fluorescent sky blue hydrozincite from the Ajax Mine in Arizona.  If you have an Arizona collection, you may need a nice two color specimen from this locality.

Starting Price: $40.00 (4/4/19)

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Shortwave Ultraviolet  

RA-2063w

RA-2063s

RA-2063

RA-2063

 

 

Name: Selenite
Location: Near Benson, Arizona.
Size: 3 x 1 x 1.25-inches
Notes:
Here is a specimen of fluorescing yellow selenite from the well known selenite locality near Benson, Arizona.  Many fine specimens have come from this locality.  The locality is bittersweet to me as a long time friend and geologist colleague was killed there a few years ago while collecting selenite.  The outcropping has apparently become very dangerous now so please do not try to collect there.  

Starting Price: $25.00 (4/4/19)

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Shortwave Ultraviolet 

RA-2032w

RA-2032s

RA-2032

RA-2032

 

 

Midrange Ultraviolet 

 

RA-2032m

 

RA-2032

 

 

 

Name: Wollastonite
Location: Fengjiashan Mine, Hubei Province, China.
Size: 4 x 2 x 1.5-inches
Notes:
This specimen contains solid white bladed crystals of wollastonite.  Under shortwave and longwave ultraviolet, the wollastonite fluoresces a medium yellow (with varying intensities) as well as patches of lavender.  The medium yellow fluorescence is caused by a manganese activator, with lead as a co-activator. Under midrange ultraviolet, the specimen exhibits a great color change.    Under midrange ultraviolet, the wollastonite fluoresces a pinkish lavender color, with some zones of purple or violet.  It is most likely a rare earth activator that causes this midrange color response.

Starting Price: $45.00 (2/7/19)
Reduced Price: $42.00 (3/5/19)
Reduced Price: $39.00 (4/4/19)  

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Shortwave Ultraviolet  

RA-2064w

RA-2064s

RA-2064

RA-2064

 

 

Name: Powellite, Chalcedony, Aragonite
Location:
Near Picacho, Pinal County, Arizona.
Size: 5 x 4 x 3-inches
Notes:
Here is a very nice specimen from a new find in Arizona.  The specimen consists of a bright creamy yellow fluorescing powellite, green fluorescing chalcedony and some grayish fluorescing aragonite.  It is not often that you see material with the color combination of creamy yellow and green, so I am excited about this new find.  

Starting Price: $85.00 (4/4/19) 

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Longwave Ultraviolet  

RA-2065w

RA-2065L

RA-2065  SOLD 

RA-2065  SOLD 

 

 

Name: Type III Calcic Fulgurite
Location:
Near Yuma, Arizona.
Size: 3 x 1 x 1-inches
Notes:
Here is an interesting specimen of a fluorescent fulgurite.  Fulgurites are places where lightning strikes have hit the ground.  With temperatures produced as high as 36,000 degrees Fahrenheit, soil grains can fuse and vitrify together to form a fulgurite.  A Type III calcic fulgurite is one consisting of mostly calcium rich ground-mass with little or no glass.  The specimen fluoresces the typical orange color that you would expect from desert southwest caliche.

Starting Price: $40.00 (4/4/19)  SOLD   

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Longwave Ultraviolet  

RA-2066w

RA-2066L

RA-2066  SOLD

RA-2066  SOLD

 

 

Name: Type III Calcic Fulgurite
Location:
Near Yuma, Arizona.
Size: 4.5 x 1 x 1-inches
Notes:
Here is an interesting specimen of a fluorescent fulgurite.  Fulgurites are places where lightning strikes have hit the ground.  With temperatures produced as high as 36,000 degrees Fahrenheit, soil grains can fuse and vitrify together to form a fulgurite.  A Type III calcic fulgurite is one consisting of mostly calcium rich ground-mass with little or no glass.  The specimen fluoresces the typical orange color that you would expect from desert southwest caliche.

Starting Price: $45.00 (4/4/19)  SOLD 

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