IMA mineral species

Borcarite

Ca₄Mg(B₄O₆(OH)₆)(CO₃)₂

Nesoborate mineral.

Borcarite specimen
Borcarite-Cahnite-568838.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₄Mg(B₄O₆(OH)₆)(CO₃)₂
ElementsCa, Mg, B, O, H, C
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolBcr
Nickel–Strunz class6.DA.40

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

🌍 Where it's found

Type locality (where it was first described): Titovskoe boron deposit, Russia