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- Sillimanite Powder & Crystal Synonyms:
Fibrolite, Sillimanite powder, Sillimanite crystal, Al2SiO5, Aluminum Silicate, Bucholzite, Bournonite (of Lucas), Faserkiesel (of Lindacker), Fribolite, Monroelite, Monrolite, Selmanite, CAS# 12141-45-6
- Sillimanite Powder & Crystal Designations:
Empirical Formula: Al2SiO5 / (Al2O3)(SiO2)
- Sillimanite Powder & Crystal Description:
Sillimanite is mineral composed of Aluminum and silicon pentoxide. It was named after the chemist B. Silliman (1779-1824). Sillimanite occurs throughout the world in metamorphosed peri-aluminous sedimentary rocks.
Al203= 57%
Industrial grade powder and high purity crystals
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Molecular Weight (g/mol.)
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162.04558
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Apparent Density (g/cm3)
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3.24
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Bulk Density (g/cm3)
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3.24
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Melting Point (°F)
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3290
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Boiling Point (°C)
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Luster
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vitreous (glassy)
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Fracture
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splintery - thin, elongated fractures
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Mohs Hardness @20°C
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6 - 7.5
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Specific Gravity (g/cc)
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3.2
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Luminescense
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non-fluorescent.
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Streak
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white
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Crystallography
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orthorhombic
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Used in the manufacture of refractories and high temperature crucibles. Some varieties are used in jewelry.
Jars, pails, drums, multiply paper bags, bulk bags and fiberboard containers. For further information on packaging options contact READE
Unknown. For further information please call the E.P.A. at 1.202.554.1404
CAS# 12141-45-6
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