Cobalt-bearing Dolomite

Ca(Mg,Co)(CO3)2
Also known as
  • Cobaltian Dolomite
  • Cobaltidolomite
  • Cobaltoan Dolomite
  • +4 more
Variety of
Dolomite
DolomiteCaMg(CO3)2

Where it forms, where it's found

20recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen615.99995.994
39.45%
27CoCobaltCobalt158.93358.933
24.22%
20CaCalciumCalcium140.07840.078
16.47%
12MgMagnesiumMagnesium124.30524.305
9.99%
6CCarbonCarbon212.01124.022
9.87%
Total243.332100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Synonyms

  • Cobaltian Dolomite
  • Cobaltidolomite
  • Cobaltoan Dolomite
  • Cobaltodolomit
  • Cobaltodolomita
  • Cobaltodolomite
  • Kobaltdolomit

Group, growth & confusion

Often grow together
1 mineral

Literature, links & citation

Citations
  1. 1951Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
  2. 2018Perchiazzi, Natale, Barton, Isabel F., Vignola, Pietro (2018) Incorporation of Co In the Dolomite Structure: Coupled EPMA and Single Crystal Structural Studies of Co-Rich Dolomite From the Tenke-Fungurume District, Democratic Republic of Congo. The Canadian Mineralogist, 56 (2) 151-158 doi:10.3749/canmin.1700079DOI: 10.3749/canmin.1700079
  3. 2022Yan, Ying, Yu, Xiao-Yan (2022) Gemology, Mineralogy, and Coloration Mechanism of Pinkish-Purple Cobaltoan Dolomite from the Democratic Republic of Congo. Crystals, 12 (5) 639 doi:10.3390/cryst12050639DOI: 10.3390/cryst12050639
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Cobalt-bearing Dolomite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/cobalt-bearing-dolomite-1105},
  note      = {Accessed 2026-05-11}
}