IMA mineral species

Katophorite

Na(NaCa)(Mg₄Al)(Si₇Al)O₂₂(OH)₂

Na-Ca-amphibole, double chain inosilicate mineral.

Katophorite specimen
Katophorite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa(NaCa)(Mg₄Al)(Si₇Al)O₂₂(OH)₂
ElementsNa, Ca, Mg, Al, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolKtp
Nickel–Strunz class9.DE.20

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

🌍 Where it's found

Type locality (where it was first described): Hpakant-Tawmaw jade tract, Myanmar