Proto-ferro-anthophyllite
Proto-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. It is a member of the Amphibole structural group.
IMA symbol Pfath, IMA status: approved, named in 1986.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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