Home > Term: biotite
biotite
A brown, trioctahedral layer silicate of the mica group with Fe(II) and Mg in the octahedral layer and Si and Al in a ratio of 3:1 in the tetrahedral layer.
- Part of Speech: noun
- Industry/Domain: Earth science
- Category: Soil science
- Company: Soil Science Society of America
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Creator
- Bob Adams
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