IMA mineral species

Katoite

Ca₃Al₂(SiO₄)₃-x(OH)₄x (x = ₁.₅-₃)

Mineral, nesosilicate garnet.

Katoite specimen
Katoite-432741.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₃Al₂(SiO₄)₃-x(OH)₄x (x = ₁.₅-₃)
ElementsCa, Al, Si, O, H
Crystal systemCubic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolKto
Nickel–Strunz class9.AD.25

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