Xonotlite under shortwave UV Light

Xonotlite crystals, roeblingite, amethystine clinohedrite, feldspar and hendricksite mica from Franklin, NJ under shortwave UV light. The xonotlite fluoresces violet and gray, roeblingite red, amethystine clinohedrite yellow and feldspar maroon, the hendricksite is non-fluorescent. From the collection of, and photo by Robert A. Boymistruk.

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