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. Projection on (001) of the structure of sillimanite showing end view of chains of edge-sharing octahedra at corners and centre of unit cell, linked by chains of alternating Si—O and Al—O tetrahedra (CrystalMaker image). Dark blue: Si; pale green: Al in tetrahedral coordination; light blue: Al in octahedral coordination; red: oxygen.

What is alumino silicate?

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An aluminosilicate mineral is a type of mineral that contains both aluminum and silicon in its chemical composition. Sillimanite(Al2SiO5)(Orthorhombic) Sillimanite is a high-temperature polymorph of Al2SiO5 and occurs as colourless or white acicular to fibrous… What is alumino silicate?