IMA mineral species

Marinaite

Cu₂Fe³⁺O₂(BO₃)

Copper iron oxyborate mineral.

Properties

Chemical formulaCu₂Fe³⁺O₂(BO₃)
ElementsCu, Fe, O, B
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMr
Nickel–Strunz class6.AB.30

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

🌍 Where it's found

Type locality (where it was first described): 2012-2013 Fissure Tolbachik eruption site