Information AboutSillimanite |
| CATEGORIES ABOUT SILLIMANITE | |
| aluminium minerals | |
| nesosilicates | |
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}} Sillimanite also called '''Bucholzite''' is an alumino-silicate Mineral with the Chemical Formula Al2SiO5. Sillimanite is named after the American chemist Benjamin Silliman ( 1779 - 1864 ). OCCURRENCE Sillimanite is one of three alumino-silicate Polymorphs , the other two being Andalusite and Kyanite . A common variety of sillimanite is known as ''fibrolite'', so named because the mineral appears like a bunch of fibres twisted together when viewed under thin section or even by the naked eye. Both the fibrous and traditional forms of sillimanite are common in Metamorphosed Sedimentary Rock s. It is an Index Mineral indicating a high degree of metamorphism. DETAILS
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