

Phosgenite from Monteponi
Large grey-brown semi-transparent Phosgenite crystals emerge from the galena matrix. Sample of very low visual impact in daylight due to...


"Black Rose" Fluorite - Fluorescence will ultimately fade to a dim blue after long exposure to LW.
There have been several posts i our FB group lately about this fluorite listed on eBay as "Black Rose" from China sellers. Specific...


Selenite Flower, Sheridan County, Wyoming
At first glace, this looks like a classic selenite rosette from the Red River Floodway, Manitoba, Canada. But no, guess again! This...


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...