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J768 - Dioptase with Wulfenite $ 600 (=~ £ 480) Mindouli District, Brazzaville, Congo small cabinet - 7 x 6 x 4 cm Bright and lustrous Dioptase crystals on a tan rock matrix. This specimen has interesting crystallization with somewhat wheat-sheaf formations of Dioptase intermixed with small yellow Wulfenite crystals. Saw cut on base. ©2010-2018 Marin Mineral |