IMA mineral species

Winchite

☐(NaCa)(Mg₄Al)Si₈O₂₂(OH)₂

Na-Ca-amphibole, double chain inosilicate mineral.

Winchite specimen
Hackmanite, winchite 1.JPG · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula☐(NaCa)(Mg₄Al)Si₈O₂₂(OH)₂
ElementsNa, Ca, Mg, Al, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolWnc
Nickel–Strunz class9.DE.20

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