Azovskite

Fe3+3(PO4)(OH)6 or near
IMA status
  • Grandfathered
  • Questionable
Also known as
  • Asovskit
  • Asovskita
  • Asovskite
  • +3 more

Where it forms, where it's found

Geological setting

Sedimentary iron ores.

3recorded occurrences
Source · OpenStreetMap

Physical

Hardness
123456789104/ 10 MOHS
  1. 1Talc
  2. 2Gypsum
  3. 3Calcite
  4. 4Fluorite
  5. 5Apatite
  6. 6Orthoclase
  7. 7Quartz
  8. 8Topaz
  9. 9Corundum
  10. 10Diamond
Colour
Dark brown · brown-red in transmitted light.
Streak
Brown
Tenacity
brittle
Fracture
Conchoidal
Density
2.5 g/cm³

Optical

Birefringence
Slight.

Crystallography

Morphology

Massive, cryptocrystalline (?), as nodules, shells, and reticulated veinlets.

Synonyms

  • Asovskit
  • Asovskita
  • Asovskite
  • Asowskit
  • Azovskit
  • Azovskita

Classification

Strunz
10th ed.

8.DM.35

  • 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.35AzovskiteSpecies

Literature, links & citation

Citations
  1. 1937Efremov (1937) Transactions of the Lomonossov Institute Academy of Science U.S.S.R.: 10: 151.
  2. 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.
  3. 2006Burke, Ernst A. J. (2006) A mass discreditation of GQN minerals. The Canadian Mineralogist, 44 (6) 1557-1560 doi:10.2113/gscanmin.44.6.1557 DOI: 10.2113/gscanmin.44.6.1557
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Azovskite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/azovskite-444},
  note      = {Accessed 2026-05-11}
}