2.9 x 2 x 1.2 cm. An exceptional, 2.9 cm doubly-terminated Dioptase from an older, classic locality. The luster is excellent, and the color a deep, beautiful green. One termination is partially contacted, but to find a doubly-terminated Dioptase of this size so complete, and aesthetic, is unusual. This is a dominating, huge single crystal and ...
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