Halite Salton Sea, California |
Halite Salton Sea, California (shortwave UV) |
Blue fluorite on quartz crystals Pasta Bueno, Peru |
Blue fluorite on quartz crystals Pasta Bueno, Peru (longwave UV) |
Fluorite, galena Rogerley Mine, Frosterley, County Durham, England |
Fluorite, galena Rogerley Mine, Frosterley, County Durham, England (longwave UV) |
Fluorite Spain |
Fluorite Spain (longwave UV) |
Fluorite Transvaal, Africa |
Fluorite Transvaal, Africa (longwave UV) |
Fluorite Wm. Wise Mine, Cheshire Co., Westmoreland, New Hampshire |
Fluorite Wm. Wise Mine, Cheshire Co., Westmoreland, New Hampshire (longwave UV) |
Calcite var. manganocalcite Peru |
Calcite var. manganocalcite Peru (longwave UV) |
Opal Opal Butte, Morrow County, Oregon |
Opal Opal Butte, Morrow County, Oregon (shortwave UV) |
Scheelite, fluorite Xiang Hualin, Hunan Province, China |
Scheelite, fluorite Xiang Hualin, Hunan Province, China (midrange UV) |
Sodalite Mont Saint-Hilaire, Quebec, Canada |
Sodalite Mont Saint-Hilaire, Quebec, Canada (longwave UV) |