IMA mineral species

Fluorchegemite

Ca₇(SiO₄)₃F₂

Nesosilicate mineral.

Properties

Chemical formulaCa₇(SiO₄)₃F₂
ElementsCa, Si, O, F
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolFcgm

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

🌍 Where it's found

Type locality (where it was first described): Mount Lakargi, Russia