IMA mineral species

Ferri-katophorite

Na(NaCa)(Mg₄Fe³⁺)(Si₇Al)O₂₂(OH)₂

Na-Ca-amphibole, double chain inosilicate mineral.

Ferri-katophorite specimen
Ferri-katophorite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa(NaCa)(Mg₄Fe³⁺)(Si₇Al)O₂₂(OH)₂
ElementsNa, Ca, Mg, Fe, Si, Al, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolFktp
Nickel–Strunz class9.DE.20

“—” means no reliable value in Wikidata yet. Check Mindat for full data.