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Silicate

Ferro-ferri-katophorite

Na(NaCa)(Fe²⁺₄Fe³⁺)(Si₇Al)O₂₂(OH)₂
Crystal systemMonoclinic
ClassSilicate
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Ferro-ferri-katophorite

Ferro-ferri-katophorite is an IMA-recognized mineral species in the silicate class, with the chemical formula Na(NaCa)(Fe²⁺₄Fe³⁺)(Si₇Al)O₂₂(OH)₂.

It crystallizes in the monoclinic crystal system (space group C2/m). It is a member of the Amphibole structural group.

IMA symbol Ffktp, IMA status: approved, named in 2016.

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 F minerals or help write this entry.