Bannisterite

(Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8·nH2O

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smectite, phyllosilicate mineral

Frequently Asked Questions

What is the chemical formula of Bannisterite?
The chemical formula of Bannisterite is (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8·nH2O.