Sabtu, 10 Oktober 2009

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Category :Native Minerals
Chemical formula : C

Molar mass :12.01 g·mol-1
Color :Typically yellow, brown or gray to colorless. Less often blue, green, black, translucent white, pink, violet, orange, purple and red.
Crystal habit :Octahedral
Crystal system :Isometric-Hexoctahedral (Cubic)
Cleavage :111 (perfect in four directions)
Fracture :Conchoidal (shell-like)
Mohs scale hardness: 10
Luster :Adamantine
Streak :colorless
Specific gravity :3.52±0.01
Density :3.5–3.53 g/cm3 hardness =10(hardest mineral or gem)
Polish luster :Adamantine
Optical properties :Singly Refractive
Refractive index :2.418 (at 500 nm)
Birefringence :None
Pleochroism :None
Dispersion :0.044
References :[1][2]

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