IMA mineral species

Centennialite

CaCu₃Cl₂(OH)₆·nH₂O (n~0.7)

Halide mineral.

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

Properties

Chemical formulaCaCu₃Cl₂(OH)₆·nH₂O (n~0.7)
ElementsCa, Cu, Cl, O, H
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolCte

“—” 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