Chromium-bearing Dawsonite

Na(Al,Cr)CO3(OH)2
Also known as
  • Chromian Dawsonite

Where it forms, where it's found

4recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen515.99979.995
40.81%
24CrChromiumChromium151.99651.996
26.53%
13AlAluminiumAluminium126.98226.982
13.77%
11NaSodiumSodium122.99022.990
11.73%
6CCarbonCarbon112.01112.011
6.13%
1HHydrogenHydrogen21.0082.016
1.03%
Total195.990100.00%

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

From Mindat formula

Synonyms

  • Chromian Dawsonite

Literature, links & citation

Citations
  1. 2000Dunning, Gail E. (2000) Chromian Dawsonite and Chromian Alumohydrocalcite from Orestimba Creek, Stanislaus County, California. The Mineralogical Record, 31 (4) 333-338
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Chromium-bearing Dawsonite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/chromium-bearing-dawsonite-11371},
  note      = {Accessed 2026-05-11}
}