IMA mineral species

Magnesiochromite

MgCr³⁺₂O₄

Spinel, oxide mineral.

Magnesiochromite specimen
Magnesiochromite-474053.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness5.5
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Scratches glass; quartz scratches it.

Chemical formulaMgCr³⁺₂O₄
ElementsMg, Cr, O
Crystal systemCubic
Mohs hardness5.5
Density—
Streak—
Color—
IMA symbolMchr
Nickel–Strunz class4.BB.05

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