CARBONATE MINERALS

Anhydrous carbonates

• Calcite group: Trigonal

  • Calcite CaCO₃

  • Gaspeite (Ni,Mg,Fe²⁺)CO₃

  • Magnesite MgCO₃

  • Otavite CdCO₃

  • Rhodochrosite MnCO₃

  • Siderite FeCO₃

  • Smithsonite ZnCO₃

  • Spherocobaltite CoCO₃

• Aragonite group: Orthorhombic

  • Aragonite CaCO₃

  • Cerussite PbCO₃

  • Strontianite SrCO₃

  • Witherite BaCO₃

  • Rutherfordine UO₂CO₃

  • Natrite Na₂CO

Anhydrous carbonates with compound formulas

• Dolomite group: Trigonal

  • Ankerite CaFe(CO₃)₂

  • Dolomite CaMg(CO₃)₂

  • Huntite Mg₃Ca(CO₃)₄

  • Minrecordite CaZn(CO₃)₂

  • Barytocite BaCa(CO₃)₂

Carbonates with hydroxyl or halogen

• Carbonate with hydroxide: Monoclinic

  • Azurite Cu₃(CO₃)₂(OH)₂

  • Hydrocerussite Pb₃(CO₃)₂(OH)₂

  • Malachite Cu₂CO₃(OH)₂

  • Rosasite (Cu,Zn)₂CO₃(OH)₂

  • Phosgenite Pb₂(CO₃)Cl₂

  • Hydrozincite Zn₅(CO₃)₂(OH)₆

  • Aurichalcite (Zn,Cu)₅(CO₃)₂(OH)₆

Hydrated carbonates

• Hydromagnesite Mg₅(CO₃)₄(OH)₂.4H₂O

• Ikaite CaCO₃·6(H₂O)

• Lansfordite MgCO₃·5(H₂O)

• Monohydrocalcite CaCO₃·H₂O

• Natron Na₂CO₃·10(H₂O)

• Zellerite Ca(UO₂)(CO₃)₂·5(H₂O)

The carbonate class in both the Dana and the Strunz classification systems include the nitrate.

During the processing of minerals containing carbonates, plants use the following types of separation:

• Flotation

• Magnetic separation

• Electrical separation

• Chemical separation

• Special methods of separation

References

1. https://en.wikipedia.org/wiki/Carbonate_minerals

2. https://en.wikipedia.org/wiki/Carbonate_rock

3. https://en.wikipedia.org/wiki/Mineral