Provide information about silicon compounds (silicates).

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(N/A) Feldspar,zeolites,mica,and asbestos are silicate minerals. The basic structural unit of silicates is $SiO_{4}^{4-}$. In this unit,the silicon atom is bonded to four oxygen atoms in a tetrahedral fashion.
In silicate compounds,these units are joined together via corners by sharing $1, 2, 3,$ or $4$ oxygen atoms. When silicate units are linked together,they form chain,ring,sheet,or three-dimensional structures. The negative charge on the silicate structure is neutralized by positively charged metal ions. Two important man-made silicates are glass and cement.

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