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Title
A silver ore, the lead. #90926565
Description
A, the silver ore argentite. Chemical composition of Ag2S, containing Ag87.1%. Isometricãâ¬â The crystal is a cube with eight faces, usually a compact block. Color and streak are grey. Fresh fracture metallic luster. Mohs hardness of 2-2.5. Density 7.2-7.4.
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