Phyllosilicates

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Sericite #2 XPL

Sericite thin section

From Greek word for silky, in allusion to its silky luster. Formula: KAl2(AlSi3O10)(OH)2 System: Monoclinic Color: White to colorless, silvery-white Lustre: Vitreous, Silky, Pearly Hardness: 2½ Density: 2.77–2.88 GET 360° LIVE...