IMA mineral species

Calvertite

Cu₅Ge₀.₅S₄

Sulfosalt mineral.

Calvertite specimen — Calvertite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density5.239 g/cm³

Very heavy

Chemical formula	Cu₅Ge₀.₅S₄
Elements	Cu, Ge, S
Crystal system	Cubic
Mohs hardness	—
Density	5.239 g/cm³
Streak	—
Color	—
IMA symbol	Cvt
Nickel–Strunz class	2.CA.15

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

🌍 Where it's found

Type locality (where it was first described): Tsumeb Mine, Namibia

Type locality
Notable source / deposit
Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.

Learn more

Calvertite on Mindat.org
Wikidata item Q17333759 (source of this page's data – you can correct it there)