Nickel-bearing Talmessite

Ca2(Mg,Ni)(AsO4)2·2H2O
Also known as
  • Nickeloan Talmessite

Where it forms, where it's found

3recorded occurrences
Source · OpenStreetMap

Safety & handling

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen1015.999159.990
33.54%
33AsArsenicArsenic274.922149.844
31.41%
20CaCalciumCalcium240.07880.156
16.80%
28NiNickelNickel158.69358.693
12.30%
12MgMagnesiumMagnesium124.30524.305
5.10%
1HHydrogenHydrogen41.0084.032
0.85%
Total477.020100.00%

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

From Mindat formula

Synonyms

  • Nickeloan Talmessite

Literature, links & citation

Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Nickel-bearing Talmessite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/nickel-bearing-talmessite-29433},
  note      = {Accessed 2026-05-11}
}