Linde Star Sapphire
In 1947, the Linde Air Products Company of New York began producing a form of synthetic gem corundum that was marketed in the gemstone...
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Fluorescent Mineral Photo Gallery
Minerals that are fluorescent under shortwave, midwave, and/or longwave UV from around the world. Each database entry shows white light photos along with UV photos, as well as localities and descriptions. Use the index to search for specific minerals, or fluorescent minerals from a region. If this page is entered via the index, the results are filtered.
Click any thumbnail for a full set of larger images. Skip to the next page of images below, or filter by
Multi-Colored Sphalerite, Balmat No. 4 Mine, Balmat, New York
Featured here are two specimens consisting of sphalerite/zinc ore from the ZCA Mine No. 4 (now called the Empire State No. 4 Mine),...
188
Multi-Colored Sphalerite, Balmat No. 4 Mine, Balmat, New York
Large, triangular-shaped piece of metallic grey colored sphalerite/zinc ore with brassy grains of an unidentified sulfide mineral (pyrite...
244
Bird's Eye Sphalerite, Balmat, New York
Recently acquired bird's eye sphalerite from Balmat, NY,. They fluoresce purple/blue/green under long-wave UV. This specimen above is a...
302
Pargasite and Diopside, Franklin Quarry, Franklin, New Jersey
This rock contains large grains of green pargasite and grey-white diopside, and is quite attractive under both UV and visible light. It...
384
Clinohedrite, Hardystonite, Willemite, and Calcite, Franklin Mine, Franklin, New Jersey
This spectacular, 4-colored, fluorescent specimen is from the famous Franklin Mine, Franklin, Sussex County, New Jersey. Under short wave...
928
Willemite, Franklinite and Zincite- The Trio of Classic Ore Minerals from the Franklin Mine
Willemite, franklinite and zincite represent the three most important zinc-bearing minerals mined at the Franklin Mine, Franklin, New...
987
Willemite Crystal on Calcite Matrix, Sterling Mine, Sterling Hill, New Jersey
A large, well-formed, red/brown willemite crystal sits on top of a matrix of white calcite, from the Sterling Mine, Sterling Hill,...
409
Sphalerite, Chlorophane, Apatite and Willemite from Franklin, New Jersey
This is a spectacular 4-color, mixed mineral, fluorescent specimen from the Franklin Mine, Franklin, New Jersey. This rock contains...
582
Apple Green Willemite, Franklin, New Jersey
This is a variety of willemite from Franklin, New Jersey called "apple green willemite" for its, well... apple green color. This is one...
326
Calcozincite- A Bright Rainbow of Colors from Sterling Hill, New Jersey
This brightly fluorescent specimen of calcozincite was collected during a 2019 night dig at Sterling Hill, New Jersey. Calcozincite is a...
290
Anthophyllite, Tremolite, Talc - Talcville, New York
A mixture of anthophyllite (formerly known as manganocummingtonite) and tremolite crystals with minor talc. The anthophyllite fluoresces...
173
Fluorescent Zincite from the Sterling Mine, Sterling Hill, New Jersey
Zincite is considered to be a rare mineral, occurring in quantity at only Franklin and Sterling Hill, New Jersey. In its pure form,...
446
Spectacular 5-Color Rock from Franklin, New Jersey, Featuring Esperite, Calcite, Hardystonite, Wille
When it comes to fluorescent rocks, the brighter and more colors seen under UV, the better. Franklin, New Jersey, the Fluorescent...
333
Manganaxinite and Probable Margarosanite, Franklin mine, Franklin, New Jersey
Buff-colored piece of solid Axinite-(Mn) [aka manganaxinite], with minor willemite and a blue/white fluorescent mineral that is likely...
214
Hyalophane from the Famous Franklin Mine, Franklin, New Jersey
Hyalophane is a barium rich variety of the feldspar mineral microcline that shows pink/magenta fluorescence under short wave UV. In this...
207
Calcite, Willemite, Franklinite and Zincite: A Sterling Hill, NJ Classic
This is a classic, bright fluorescent specimen from the famous Sterling mine in Sterling Hill, Ogdensburg, New Jersey. This piece...
650
Calcite, Willemite and Rhodonite, Franklin, New Jersey
This is a classic mineral association from Franklin, New Jersey; brightly fluorescent calcite and willemite in combination with pink...
174
Chondrodite and Diopside, Warwick, New York
The Amity area of the Town of Warwick, in Orange County, New York, is located near the central region of the Franklin marble belt, and is...
167
Willemite, Balmat, New York
Light grey, translucent crystals of willemite on and in a light grey matrix, from Balmat, St. Lawrence Co., New York. The willemite...
145
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