| Mineral | Ankerite |
|---|---|
| Formula | Ca(Fe2+,Mg,Mn)(CO3)2 |
| Crystal Form | Trigonal/Rhombohedral [3] |
| Cleavage | [1011] Perfect, [1011] Perfect, [1011]Perfect |
| Color | Brown, Brownish yellow, Gray, Gray brown, White |
| Density | 3.0 – 3.1 g/cm3 |
| Diaphaneity | Translucent to Subtranslucent |
| Fracture | Sub-conchoidal |
| Hardness | 3.5 - 4.0 |
| Lustre | Vitreous |
| Streak | White |
| Type Loc. | Styrian Erzberg, Eisenerz, Styria, Austria |
| Dana 8 Class | 14.2.1.2 |
| Strunz Class | V/AB.10-05 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 190 |