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