IMA mineral species

Calumetite

CaCu₄(OH)₈Cl₂·3.5H₂O

Halide mineral.

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

Properties

Chemical formulaCaCu₄(OH)₈Cl₂·3.5H₂O
ElementsCa, Cu, O, H, Cl
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolClu
Nickel–Strunz class3.DA.40

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

🌍 Where it's found

Type locality (where it was first described): Centennial mine, United States