Aluminosilicate
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Aluminosilicate refers to materials containing anionic Si-O-Al linkages.Script error: No such module "Unsubst". Commonly, the associate cations are sodium (Na+), potassium (K+) and protons (H+). Such materials occur as minerals, coal combustion products[1] and as synthetic materials, often in the form of zeolites. Both synthetic and natural aluminosilicates are of technical significance as structural materials, catalysts, and reagents.
Important representatives
Feldspar is a common tectosilicate aluminosilicate mineral made of potassium, sodium, and calcium cations surrounded by a negatively charged network of silicon, aluminium and oxygen atoms.
Many aluminosilicates are synthesized by reactions of silicates, aluminates, and other compounds. They have the general formula Template:Chem2 where M+ is usually H+ and Na+. The Si/Al ratio is variable, which provides a means to tune the properties.[2] Many of these materials are porous and exhibit properties of industrial value.[3] Naturally occurring microporous, hydrous aluminosilicate minerals are also referred to as zeolites.
See also
- Aluminium silicate
- Geopolymer cement
- Silicate minerals
- Calcium aluminosilicate
- Sodium aluminosilicate
- Gorilla Glass – a type of aluminosilicate glass