IMA mineral species

Callaghanite

Cu₂Mg₂(CO₃)(OH)₆ * 2H₂O

Carbonate mineral.

Callaghanite specimen
Callaghanite LL26 DN-7.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCu₂Mg₂(CO₃)(OH)₆ * 2H₂O
ElementsCu, Mg, C, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolCgh
Nickel–Strunz class5.DA.25

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