IMA mineral species

Oldhamite

CaS

Rocksalt group, sulfide mineral.

Brown

Oldhamite specimen
Oldhamite-510145.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCaS
ElementsCa, S
Crystal systemCubic
Mohs hardness4
Density2.581 g/cm³
Streak—
Color—
IMA symbolOld
Nickel–Strunz class2.CD.10

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

🌍 Where it's found

Type locality (where it was first described): Bustee meteorite, India