IMA mineral species

Calciborite

CaB₂O₄

Inoborate mineral.

White & Clear

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

Properties

⚖ Density2.875 g/cm³
Average
🔷 Orthorhombic✏️ streak white
Chemical formulaCaB₂O₄
ElementsCa, B, O
Crystal systemOrthorhombic
Mohs hardness—
Density2.875 g/cm³
Streakwhite
Color—
IMA symbolCbo
Nickel–Strunz class6.BC.10

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

🌍 Where it's found

Type locality (where it was first described): Novofrolovskoye boron-copper deposit, Russia

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.