Title: Aluminum Silicate
CAS Registry Number: 12141-46-7
CAS Name: Aluminum oxide silicate [Al2O(SiO4)]
Molecular Formula: Al2O5Si
Molecular Weight: 162.05
Percent Composition: Al 33.30%, O 49.37%, Si 17.33%
Line Formula: Al2SiO5
Literature References: Usually contains some water. Polymorphous; the three naturally occurring forms are andalusite, cyanite, sillimanite. Other aluminum silicate minerals are anauxite, dickite, kaolinite, kochite, mullite, newtonite, pyrophyllite, takizolite, termierite, ton. For prepn and properties see Gmelins, Aluminum (8th ed.) 35B, p 313-317 (1934).
Use: In dental cements, glass industry; manuf of semiprecious stones, enamels, ceramics, and colored lakes; paint filler; in washing compounds.