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Physical description and properties:
Appearance: dark brown to black dry free running sand.
Grain shape: elongated, rolled. Grain color: red (different tints), brown, black. |
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Minerals
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Contents, %
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Rutile:
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92-97
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Leucoxene:
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3-7
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Zircon:
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0,2 -1,5
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Ilmenite:
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0,5-5
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Kyanite:
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0,1 – 0,5
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Quartz:
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0,1 – 0,2
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Melting point:
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1850 °С
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Specific Gravity:
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4150 – 4300 kg/m3
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Bulk density:
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2300 – 2400 kg/m3
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Grain size:
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63 -160 mkm
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Flammable:
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Nonflammable
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Solubility in Water:
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Insoluble
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Angle of friction:
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30°
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Hardness:
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6
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