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Physical Properties
Crystal System: Axis of symmetry Crystal Form: Cubes or octahedron Habit: Wiry form, plates, branching form or massive form Hardness:2.5-3Cleavage/Fracture: none; cuttingLuster: MetallicColor: Grayish whiteStreak: Grayish whiteSpecific Gravity:9.6-12Other Characteristics:(1)Opaque(2)Good conductor of heat and electricity(3)Good ductility |
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