Field of view is 2x3 mm. Small nuggets of native Zinc covered by crystalline crusts of white sugar-like Smithsonite. They were extracted from a heavy concentrate of a gold placer. Material was uplifted from borehole from about 30 m depth. Collected by Oleg Khotylev. Pavel M. Kartashov collection and photo.
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Photo added: 23rd Nov 2005