IMA mineral species

Trabzonite

Ca₄(Si₃O₉)(OH)₂

Sorosilicate mineral.

Properties

Chemical formulaCa₄(Si₃O₉)(OH)₂
ElementsCa, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTrb
Nickel–Strunz class9.BJ.15

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