Dioptase, Pimbi, Katanga, DRC
description: 1 1/2" ac. This specimen consist of a mound of emerald green crystals of dioptase which are pristine. All of the crystals display the luster of polished glass. When I bought this piece during my visit to Katanga province in late 2009, it was covered with dirt. The piece was cleaned and trimmed by Sandor Fuss and the export workers at his laboratory in Colorado.
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