Biotite: Mineral & Properties | Vaia
What is Biotite Mineral? Biotite mineral is a phyllosilicate mineral within the mica group, recognized for its dark color, typically black or brown. It is part of a larger family of minerals that exhibit a similar structure and composition.Biotite minerals are most commonly found in igneous and metamorphic rocks.You might notice them in granite, schist, or gneiss.
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