IMA mineral species

Potassic-fluoro-pargasite

KCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂

Ca-amphibole, double chain inosilicate mineral.

Black

Properties

Chemical formulaKCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂
ElementsK, Ca, Mg, Al, Si, O, F
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Colorblack
Cleavage{110}
IMA symbolPflprg
Nickel–Strunz class9.DE.10

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