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Yunhaoite
A valid IMA mineral species - pending publication
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Formula:
K2(MoO4)
Crystal System:
Monoclinic
Known synthetic analogue
Unique Identifiers
Mindat ID:
494669
Long-form identifier:
mindat:1:1:494669:0
IMA Classification of Yunhaoite
Approved, Pending publication
Classification of Yunhaoite
7.GA.
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
A : Without additional anions or H2O
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
A : Without additional anions or H2O
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Yun | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Chemistry of Yunhaoite
Mindat Formula:
K2(MoO4)
Element Weights:
Elements listed:
Crystallography of Yunhaoite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 12.3452(10) Å, b = 6.0892(5) Å, c = 7.5380(6) Å
β = 115.751(4)°
β = 115.751(4)°
Ratio:
a:b:c = 2.027 : 1 : 1.238
Unit Cell V:
510.38 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 5.672 Å | (29) |
| 4.706 Å | (59) |
| 3.405 Å | (61) |
| 3.176 Å | (100) |
| 3.050 Å | (75) |
| 2.932 Å | (46) |
| 2.272 Å | (84) |
| 1.982 Å | (42) |
Type Occurrence of Yunhaoite
Place of Conservation of Type Material:
Type material is deposited in the collections of the University of Arizona Alfie Norville Gem & Mineral Museum, 115 N Church Ave Ste 121, Tucson, AZ 85701, USA, catalogue no. 22745 (holotype), and the RRUFF Project, deposition no. R250015 (cotype)
Other Language Names for Yunhaoite
Dutch:Yunhaoiet
Related Minerals - Strunz-mindat Grouping
| 7.GA.05 | Ronpetersonite | BaWO4 |
| 7.GA.05 | Fergusonite-(Ce) | CeNbO4 · 0.3H2O |
| 7.GA.05 | 'Fergusonite-(Nd)' | NdNbO4 |
| 7.GA.05 | Fergusonite-(Y) | YNbO4 |
| 7.GA.05 | Powellite | Ca(MoO4) |
| 7.GA.05 | Stolzite | Pb(WO4) |
| 7.GA.05 | Suseinargiuite | NaBi(MoO4)2 |
| 7.GA.05 | Wulfenite | Pb(MoO4) |
| 7.GA.05 | Scheelite | Ca(WO4) |
| 7.GA.10 | Formanite-(Y) | YTaO4 |
| 7.GA.10 | Iwashiroite-(Y) | Y(Ta,Nb)O4 |
| 7.GA.15 | Paraniite-(Y) | Ca2Y(AsO4)(WO4)2 |
| 7.GA.20 | Takanawaite-(Y) | YTaO4 |
Radioactivity
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Yunhaoite
mindat.org URL:
https://www.mindat.org/min-494669.html
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External Links:
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References for Yunhaoite
Localities for Yunhaoite
Showing 1 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
USA (TL) | |
| Yang et al. (2025) |
