IMA mineral species

Ekaterinite

Ca₂(B₄O₇)(Cl,OH)₂ * 2H₂O

Borate mineral.

Ekaterinite specimen
Ekaterinite-290286.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₂(B₄O₇)(Cl,OH)₂ * 2H₂O
ElementsCa, B, O, Cl, H
Crystal systemHexagonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolEka
Nickel–Strunz class6.HO.40

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

🌍 Where it's found

Type locality (where it was first described): Korshunovskoye iron-boron skarn deposit, Russia