Fluorescent sphalerite, calcite, willemite under longwave UV light

Sphalerite (orange, yellow orange, blue, pink), calcite (red to dark red) and willemite (green) from Sterling Hill Mine, Ogdensburg, NJ under longwave UV light. Photo by WP.
Fluorescent sphalerite, calcite, willemite under longwave UV light

Fluorescent sphalerite, calcite, willemite under longwave UV light

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