Phosphocyclite-(Fe)

Where it forms, where it's found

Type locality: Wadi Halamish
Hatrurim Basin
Tamar Regional Council
Beersheba Subdistrict
Southern District
Israel
31.1631°, 35.2992°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Monoclinic
Space group: C2/c
Cell parameters: a = 11.834(4) Å · b = 8.340(2) Å · c = 9.911(2) Å
Cell angles: β = 118.50(4) °
Ratio a:b:c: 1 : 0.705 : 0.838

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 12 15.999 191.988
44.90%
15PPhosphorus Phosphorus 4 30.974 123.896
28.98%
26FeIron Iron 2 55.845 111.690
26.12%
Total 427.574 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From IMA formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
8OOxygen	Oxygen	12	15.999	191.988	44.90%
15PPhosphorus	Phosphorus	4	30.974	123.896	28.98%
26FeIron	Iron	2	55.845	111.690	26.12%
	Total	427.574	100.00%

Synonyms

IMA2020-087
Phosphocycliet-(Fe)

In other languages

German: IMA 2020-087 · Phosphocyclit-(Fe)

Classification

Strunz

10th ed.

8.FA

8Phosphates, Arsenates, VanadatesClass
8.FPolyphosphates, Polyarsenates, [4]-PolyvanadatesDivision
8.FAPolyphosphates, etc., without OH and H₂O; dimers of corner-sharing RO₄ tetrahedra.Group
8.FAPhosphocyclite-(Fe)Species

Literature, links & citation

Citations

2021Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2021) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) CNMNC Newsletter No 60. Mineralogical Magazine, 1-5 doi:10.1180/mgm.2021.30DOI: 10.1180/mgm.2021.30
2022(2022) Phosphocyclite-(Fe). Handbook of Mineralogy. Mineralogical Society of America

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Phosphocyclite-(Fe) — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/phosphocyclite-fe-55378},
  note      = {Accessed 2026-05-11}
}