Ferro-anthophyllite
The iron-dominant member of the orthorhombic anthophyllite amphibole group.
Intro adapted from Wikipedia (CC BY-SA).
Ferro-anthophyllite is an IMA-recognized mineral species in the silicate class, with the chemical formula Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂.
It crystallizes in the orthorhombic crystal system (space group Pnma). It is a member of the Amphibole structural group.
IMA symbol Fath, IMA status: approved, named in 1921.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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