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Physical Properties
Crystal System: OrthorhombicCrystal Form: Crystal prismaticCrystal habit: Massive, granularHardness: 3.5Cleavage/Fracture: {101} good cleavage; {100} distinct cleavage; shell-like or uneven fracturesLuster: MetallicColor: Deep red to brownStreak: BlackSpecific Gravity: 4.4-4.6Other Characteristics: Dimorphous with enargite |
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