IMA mineral species

Mcconnellite

CuCrO₂

Oxide mineral.

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

Properties

⚖ Density5.6 g/cm³
Very heavy
Chemical formulaCuCrO₂
ElementsCu, Cr, O
Crystal systemTrigonal
Mohs hardness—
Density5.6 g/cm³
Streak—
Color—
IMA symbolMcn
Nickel–Strunz class4.AB.15

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