Hydrozincite, Sphalerite from Green Monster Mine, Nevada

One of the many specimens collected in the Green Monster Mine, Sandy Valley, Nevada, in early January 2022. The blue-white fluorescent is hydrozincite (short-wave UV), orange fluorescent is sphalerite (stronger under long-wave UV than short-wave UV).



Short-wave + long-wave UV


White light


Short-wave UV



Long-wave UV




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