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Silicate

Potassic-ferro-ferri-taramite

K(NaCa)(Fe²⁺₃Fe³⁺₂)(Si₆Al₂)O₂₂(OH)₂
ClassSilicate
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Potassic-ferro-ferri-taramite specimen

Black crystals of the rare amphibole mineral potassic-ferro-ferri-taramite in a whitish contrasting matrix from the TL in Somalialand (Mohlileh Hill, Darkainle Complex,Borama District, Awdal, Somaliland). Ex Vandenbroucke Museum collection from Waregem, Belgium. — Photo: David Hospital · CC BY-SA 4.0

Potassic-ferro-ferri-taramite

Potassic-ferro-ferri-taramite is an IMA-recognized mineral species in the silicate class, with the chemical formula K(NaCa)(Fe²⁺₃Fe³⁺₂)(Si₆Al₂)O₂₂(OH)₂.

It is a member of the Amphibole-amphiboles sodic-calcic structural group.

IMA symbol Pfftrm, IMA status: approved, named in 1964.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet. Browse more P minerals or help write this entry.