Tianhongqiite

Where it forms, where it's found

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Monoclinic
Cell parameters: a = 7.688(1) Å · b = 4.5267(7) Å · c = 7.443(1) Å
Cell angles: β = 97.62(1) °
Ratio a:b:c: 1 : 0.589 : 0.968
Comment: space group is P2₁/n

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 4 15.999 63.996
38.82%
24CrChromium Chromium 1 51.996 51.996
31.54%
22TiTitanium Titanium 1 47.867 47.867
29.03%
1HHydrogen Hydrogen 1 1.008 1.008
0.61%
Total 164.867 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From Mindat formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
8OOxygen	Oxygen	4	15.999	63.996	38.82%
24CrChromium	Chromium	1	51.996	51.996	31.54%
22TiTitanium	Titanium	1	47.867	47.867	29.03%
1HHydrogen	Hydrogen	1	1.008	1.008	0.61%
	Total	164.867	100.00%

In other languages

German: Tianhongqiit

Classification

Strunz

10th ed.

4.DB

4OxidesClass
4.DMetal: Oxygen = 1:2 and similarDivision
4.DBWith medium-sized cations; chains of edge-sharing octahedraGroup
4.DBTianhongqiiteSpecies

Literature, links & citation

Citations

2022Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 68. European Journal of Mineralogy, 34 (5) 385-391 doi:10.5194/ejm-34-385-2022 DOI: 10.5194/ejm-34-385-2022

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Tianhongqiite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/tianhongqiite-56163},
  note      = {Accessed 2026-05-11}
}