IMA mineral species

Klockmannite

CuSe

Selenide mineral.

Klockmannite specimen — Klockmannite, Chalcomenite-290278.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula	CuSe
Elements	Cu, Se
Crystal system	Hexagonal
Mohs hardness	—
Density	6.043 g/cm³
Streak	—
Color	—
IMA symbol	Kl
Nickel–Strunz class	2.CA.05b

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

🌍 Where it's found

Type locality (where it was first described): Las Asperezas mine, Argentina

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

Klockmannite on Mindat.org
Wikidata item Q424778 (source of this page's data – you can correct it there)