Biotite: 51431A

Item

Title
Biotite: 51431A
Description
Collection: Lafayette College Student Collection
Color: black
Luster: vitreous
Formula: K(Fe, Mg)3AlSi3O10(OH)2
Hardness: 2.5-3.0
Cleavage: one perfect
Habit: Lamellar
Typical Occurrence: Igneous rock, Metamorphic rock, Sedimentary rock
Creator
8585
Type
mineral
Mediator
Tamara Carley

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