Cylindrite - Poopó Province, Oruro (Department), Bolivia

Cylindrite

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This fabulous miniature of the tin-lead-antimony-iron sulphosalt Cylindrite, is an excellent example of the species and contains a number of very fine cylindrical crystals of up to 8 mm diameter. This is from its type locality within Poop' Province in the Oruro Department of Bolivia. The Cylindrite forms a typical massive cluster of aligned cylindrical, grey-black crystals which appear silver due to their brilliant metallic lustre. A choice specimen of this relatively rare complex sulphosalt.