Alexshubnikovite

Ca2Cu9(AsO4)4(OH)9Cl(H2O)8·2H2O
IMA status
  • Approved
  • Pending publication
IMA symbol
Axs

Where it forms, where it's found

Type locality
Khovu-Aksy Ni-Co deposit
  1. Chedi-Kholsky District
  2. Tuva
  3. Russia

51.1597°, 93.6858°

1recorded occurrences
Source · OpenStreetMap

Safety & handling

Crystallography

Crystal system
Monoclinic
Space group
P2/c
Cell parameters
a = 27.112(6) Å · b = 5.523(1) Å · c = 10.433(3) Å
Cell angles
β = 92.327(4) °
Ratio a:b:c
1 : 0.204 : 0.385

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
29CuCopperCopper963.546571.914
36.28%
8OOxygenOxygen3515.999559.965
35.52%
33AsArsenicArsenic474.922299.688
19.01%
20CaCalciumCalcium240.07880.156
5.09%
17ClChlorineChlorine135.45035.450
2.25%
1HHydrogenHydrogen291.00829.232
1.85%
Total1576.405100.00%

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

From Mindat formula

In other languages

Catalan
alexshubnikovita

Classification

Strunz
10th ed.

8.DM.10

  • 8Phosphates, Arsenates, VanadatesClass
  • 8.DPhosphates, etc. with additional anions, with H2ODivision
  • 8.DMWith large and medium-sized cations, (OH, etc.):RO4 > 2:1Group
  • 8.DM.10AlexshubnikoviteSpecies

Group, growth & confusion

Commonly confused with
2 minerals

Literature, links & citation

Citations
  1. Kasatkin, A.V., Plášil, J., Gurung, K., Škoda, R., Chukanov, N.V., Agakhanov, A.A., Belakovskiy, D.I. and Gurzhiy, V.V. (2026) Alexshubnikovite, IMA 2025-100. CNMNC Newsletter 90, Mineralogical Magazine, 90, https://doi.org/10.1180/mgm.2026.10217
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Alexshubnikovite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/alexshubnikovite-499624},
  note      = {Accessed 2026-05-11}
}