Yunhaoite

Where it forms, where it's found

Type locality: Freedom No. 2 Mine
Marysvale Mining District
Piute County
Utah
USA
38.4984°, -112.2143°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Monoclinic
Space group: C2/m
Cell parameters: a = 12.3452(10) Å · b = 6.0892(5) Å · c = 7.5380(6) Å
Cell angles: β = 115.751(4) °
Ratio a:b:c: 1 : 0.493 : 0.611

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
42MoMolybdenum Molybdenum 1 95.950 95.950
40.29%
19KPotassium Potassium 2 39.098 78.196
32.84%
8OOxygen Oxygen 4 15.999 63.996
26.87%
Total 238.142 100.00%
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
42MoMolybdenum	Molybdenum	1	95.950	95.950	40.29%
19KPotassium	Potassium	2	39.098	78.196	32.84%
8OOxygen	Oxygen	4	15.999	63.996	26.87%
	Total	238.142	100.00%

Synonyms

IMA2025-040
Yunhaoiet

In other languages

German: Yunhaoit

Classification

Strunz

10th ed.

7.GA

7SulfatesClass
7.GMolybdates, Wolframates and NiobatesDivision
7.GAWithout additional anions or H₂OGroup
7.GAYunhaoiteSpecies

Literature, links & citation

Citations

—Yang, H., Gu, X., Kampf, A.R., Gibbs, R.B. and Downs, R.T. (2025) Yunhaoite, IMA 2025-040. CNMNC Newsletter 87, Mineralogical Magazine, 89, https://doi.org/.....

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Yunhaoite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/yunhaoite-494669},
  note      = {Accessed 2026-05-11}
}