IMA mineral species

Ferro-richterite

Na(NaCa)Fe²⁺₅Si₈O₂₂(OH)₂

Na-Ca-amphibole, double chain inosilicate mineral.

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

Properties

Chemical formulaNa(NaCa)Fe²⁺₅Si₈O₂₂(OH)₂
ElementsNa, Ca, Fe, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolFrct
Nickel–Strunz class9.DE.20

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