#1875 Metazeunerite, Jarosite Majuba Hill Mine Pershing Co. Nevada USA (2002) FOV:2.0 mm
Switched camera, using Celestron Imager HD 5 MP
US Mines listed rhyolite flows
Rhyolitic flows can have high concentrations of fluorine gas dissolved in the lava which allows the rhyolite to become more fluid. Fluorine gas is a key component in the formation…
Chalcophyllite from Majuba Hill, Pershing Co. Nevada
This is a specimen from a large micromount collection I bought off of eBay several years ago. I am still in the process of taking photos of each specimen. This…