(inorganic chemistry) 3Al2O3·2SiO2 A colorless, crystalline combination of silicate and aluminate in the form of rhombic crystals.
Aluminosilicate
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(ə¦lüm·ə′nō¦sil·ə′kāt)
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Phase diagram of the Aluminosilicates.[1]
Aluminosilicate minerals are minerals composed of aluminium, silicon, and oxygen. They are a major component of kaolin and other clay minerals.
Andalusite, kyanite, and sillimanite are naturally occurring aluminosilicate minerals that have the composition Al2SiO5.
Hydrated aluminosilicate minerals are referred to as zeolites and are porous structures that are natural occurring materials.
The catalyst silica-alumina is an amorphous substance which is not an aluminosilicate compound.
References
- ^ Whitney, D.L. (2002), "Coexisting andalusite, kyanite, and sillimanite: Sequential formation of three Al2SiO5 polymorphs during progressive metamorphism near the triple point, Sivrihisar, Turkey", American Mineralogist 87 (4): 405–416, http://ammin.geoscienceworld.org/cgi/content/abstract/87/4/405
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 | griffithite (mineralogy) |
| paulingite (mineralogy) |
| glass ionomer (medicine) |
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Mentioned in
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- glass ionomer (medicine)
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- allophane (geology)
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- glass ionomer cement
