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Overview
All data
17 statements · 65% with external sources · numbers in brackets are citations
On other databases
5 identifiers linking annite across the web's reference databases
17 statements · 65% with external sources · numbers in brackets are citations
5 identifiers linking annite across the web's reference databases
From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0
Annite is a phyllosilicate mineral in the mica family. It has a chemical formula of KFe32+AlSi3O10(OH)2. Annite is the iron end member of the biotite mica group, the iron rich analogue of magnesium rich phlogopite. Annite is monoclinic and contains tabular crystals and cleavage fragments with pseudohexagonal outlines. There are contact twins with composition surface {001} and twin axis {310}.