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LP379 - Bournonite $ AT-AUCTION Machacamarca District, Potosi Department, Bolivia miniature - 5 x 4 x 2.5 cm ![]() ![]() ![]() ![]() A silvery metallic 'cogwheel' of Bournonite in matrix. The main crystal is 2.5 cm wide and in perfect condition. There is another partial crystal and small Pyrite and Sphalerite crystals coating the matrix. Saw cut on bottom. ©2010-2018 Marin Mineral |