| FERROAN DOLOMITE | Ca(Mg, Fe2+ ,Mn2+)(CO3)2 |
| Locality: Westmoreland Crushed Stone Quarry, Westmoreland, NH | |
| Specimen Size: 3 cm specimen of ferroan dolomite crystals | |
| Environment: Dolomite vein | |
| Field collected: Tom Mortimer | |
Previously labeled ankerite.
2018 EDS analysis showed insufficient iron for ankerite.