
Aluminosilicate minerals are minerals composed of aluminium, silicon, and oxygen, plus countercations. 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. The triple point of the three polymorphs is located at a temper...
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http://en.wikipedia.org/wiki/Aluminosilicate

(from the article `traditional ceramics`) ...ceramics are often referred to as silicate ceramics, and their manufacture is often called the silicate industry. Many of the silicate materials ... All the rock-forming feldspars are aluminosilicate minerals with the general formula AT4O8 in which A = potassium, sodium, or calcium (Ca); and ...
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http://www.britannica.com/eb/a-z/a/54

any naturally occurring or synthetically produced aluminum silicate containing alkali-metal or alkaline-earth-metal ions, as a feldspar, zeolite, or beryl.
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https://www.infoplease.com/dictionary/aluminosilicate
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