IMA mineral species

Sergeevite

Ca₂Mg₁₁(CO₃)₉(HCO₃)₄(OH)₄*₆H₂O

Carbonate mineral.

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

Properties

Chemical formulaCa₂Mg₁₁(CO₃)₉(HCO₃)₄(OH)₄*₆H₂O
ElementsCa, Mg, C, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolSge
Nickel–Strunz class5.DB.25

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