Cryolite and Siderite - Ivigtut, Greenland

From the closed cryolite mine (the world's only?) in Greenland. Fluorescent cryolite is quite rare and unusual - most are not fluorescent. Shown SW UV. (From the Howie Green collection)

Cryolite and Siderite - Ivigtut, Greenland - Shortwave UV

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