cooluks
cooluks's Trails:
pleochroism
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Diamond Structure and Properties...
Chemical composition : C, carbon
Hardness : 10 Mohs' scale, 56-115 Knoop hardness number (GPa), 10,000 Brooks identerscale.
Crystallography : Isometric. Crystals sometimes sharp octahedral, rhombic
dodecahedral, cubes, twinning, plates, and combinations with other forms. Crystals modified often rounded and distinguished by the presents of triangular shaped pits on the faces of the octahedral shaped crystals. These trigons were once thought to be the result of etching are now believed to be part of the growth process....
Chemical composition : C, carbon
Hardness : 10 Mohs' scale, 56-115 Knoop hardness number (GPa), 10,000 Brooks identerscale.
Crystallography : Isometric. Crystals sometimes sharp octahedral, rhombic
dodecahedral, cubes, twinning, plates, and combinations with other forms. Crystals modified often rounded and distinguished by the presents of triangular shaped pits on the faces of the octahedral shaped crystals. These trigons were once thought to be the result of etching are now believed to be part of the growth process....
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