IMA mineral species

Pseudowollastonite

CaSiO₃

Cyclosilicate mineral.

Black

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

Properties

⚖ Density2.903 g/cm³
Average
Chemical formulaCaSiO₃
ElementsCa, Si, O
Crystal systemMonoclinic
Mohs hardness—
Density2.903 g/cm³
Streak—
Colorblack
IMA symbolPwo
Nickel–Strunz class9.CA.20

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