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C253 - Dioptase on Calcite $ 2000 SOLD Tsumeb, Namibia miniature - 3.2 x 2.5 x 1.2 cm Outstanding thumbnail sized specimen of Dioptase crystals on white Calcite crystals. Main Dioptase is an undamaged 1.6cm crystal. There is one small cleaved crystal on the lower right (that could be trimmed away), all other crystals undamaged. ©2010-2018 Marin Mineral |