IMA mineral species

Breyite

Ca₃Si₃O₉

Silicate mineral.

Properties

Chemical formulaCa₃Si₃O₉
ElementsCa, Si, O
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolByi

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

🌍 Where it's found

Type locality (where it was first described): São Luiz river alluvials, Brazil · inclusion(s) in a mineral