Tags: Chemical Substance, Mineral.

Zinnwaldite KLiFeAl(AlSi3)O10(OHF)2 potassium lithium iron aluminium silicate hydroxide fluoride is a silicate mineral in the mica group. The IMA status is as a series between siderophyllite (KFe2Al(Al2Si2)O10(FOH)2) and polylithionite (KLi2AlSi4O10(FOH)2) and not considered a valid mineral species.

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