Alkali Feldspar

alkali feldspar

ferrisanidine

K-feldspar

Alkali Feldspar is a group of related mineral species, including:


anorthoclase: Na(AlSi3O8)
ferrisanidine: K(Fe3+Si3O8)
K-feldspar: KAlSi3O8

Alkali Feldspar is a member of the feldspar group

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