IMA mineral species

Ankerite

Ca(Fe²⁺,Mg)(CO₃)₂

Mineral, calcium iron carbonate.

Yellow Brown White & Clear

Ankerite specimen — Quartz; ankerite (48723944433).jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density3 g/cm³

Average

🔷 Trigonal✏️ streak white

Chemical formula	Ca(Fe²⁺,Mg)(CO₃)₂
Elements	Ca, Fe, Mg, C, O
Crystal system	Trigonal
Mohs hardness	—
Density	3 g/cm³
Streak	white
Color	—
IMA symbol	Ank
Nickel–Strunz class	5.AB.10

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

Learn more

Ankerite on Mindat.org
Wikipedia article
Wikidata item Q120481 (source of this page's data – you can correct it there)