Matyhite

Ca9(Ca0.5◻0.5)Fe2+(PO4)7
IMA status
  • Approved
IMA symbol
Myh
IMA approved
2016
Also known as
  • IMA2015-121
  • Matyhiet

Where it forms, where it's found

Type locality
D'Orbigny meteorite
  1. D'Orbigny
  2. Coronel Suaréz
  3. Buenos Aires Province
  4. Argentina

-37.6667°, -61.6497°

1recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Trigonal
Space group
#85
Cell parameters
a = 10.456(7) Å · c = 37.408(34) Å
Z
6

Synonyms

  • IMA2015-121
  • Matyhiet

In other languages

German
IMA 2015-121 · Matyhit

Classification

Strunz
10th ed.

8.AC.25

  • 8Phosphates, Arsenates, VanadatesClass
  • 8.APhosphates, etc. without additional anions, without H2ODivision
  • 8.ACWith medium-sized and large cationsGroup
  • 8.AC.25MatyhiteSpecies

Group, growth & confusion

In the same group
3 members

Literature, links & citation

Citations
  1. 2016Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2016) New minerals and nomenclature modifications approved in 2016, CNMNC Newsletter no 31. Mineralogical Magazine, 80 (4) 691-697 doi:10.1180/minmag.2016.080.083DOI: 10.1180/minmag.2016.080.083
  2. 2019Hwang, Shyh-Lung, Shen, Pouyan, Chu, Hao-Tsu, Yui, Tzen-Fu, Varela, Maria-Euginia, Iizuka, Yoshiyuki (2019) New minerals tsangpoite Ca5(PO4)2(SiO4) and matyhite Ca9(Ca0.5□0.5)Fe(PO4)7 from the D'Orbigny angrite. Mineralogical Magazine, 83 (2) 293-313 doi:10.1180/mgm.2018.125DOI: 10.1180/mgm.2018.125
  3. 2022(2022) Matyhite. Handbook of Mineralogy. Mineralogical Society of America
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Matyhite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/matyhite-47778},
  note      = {Accessed 2026-05-11}
}