单词 | sillimanite |
释义 | sillimanite [`sil·ǝ·mǝ´nīt] MINERALOGY Al2SiO5 A brown, pale-green, or white neosilicate mineral with vitreous luster crystallizing in the orthorhombic system; commonly occurs in slender crystals, often in fibrous aggregates; hardness is 6-7 on Mohs scale, and specific gravity is 3.23. Also known as fibrolite. |
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