Qusongite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Qusongite
Formula:
WC
Colour:
Black, steel grey
Lustre:
Metallic
Specific Gravity:
15.84 (Calculated)
Crystal System:
Hexagonal
Name:
Named for type locality location in Qusong Co.
Unique Identifiers
Mindat ID:
35898
Long-form identifier:
mindat:1:1:35898:5
IMA Classification of Qusongite
Classification of Qusongite
1.BA.25
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
A : Carbides
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
A : Carbides
1.1.29.3
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
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 |
|---|---|---|
| Qus | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Qusongite
Metallic
Transparency:
Opaque
Colour:
Black, steel grey
Streak:
Black
Hardness:
VHN200=1553 kg/mm2 - Vickers
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
15.84 g/cm3 (Calculated)
Optical Data of Qusongite
Anisotropism:
Isotropic to weakly anisotropic
Bireflectance:
No bireflectance observed
Reflectivity:
| Wavelength | R1 (%) |
|---|---|
| 400nm | 66.46% |
| 420nm | 64.42% |
| 440nm | 55.13% |
| 480nm | 53.14% |
| 500nm | 50.73% |
| 520nm | 48.56% |
| 540nm | 46.66% |
| 546nm | 46.09% |
| 560nm | 45.39% |
| 580nm | 45.02% |
| 589nm | 44.94% |
| 600nm | 44.5l% |
| 620nm | 43.88% |
| 640nm | 43.32% |
| 660nm | 41.64% |
| 680nm | 40.75% |
| 700nm | 40.60% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 66.46%.
Colour in reflected light:
White to yellowish white
Internal Reflections:
Visible
Chemistry of Qusongite
Mindat Formula:
WC
Elements listed:
Crystallography of Qusongite
Crystal System:
Hexagonal
Class (H-M):
6m2 - Ditrigonal Dipyramidal
Space Group:
P6m2
Cell Parameters:
a = 2.902 Å, c = 2.831 Å
Ratio:
a:c = 1 : 0.976
Unit Cell V:
20.65 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Irregular, granular, or platy grains
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0004855 | Qusongite | Fang Q, Bai W, Yang J, Xu X, Li G, Shi N, Xiong M, Rong H (2009) Qusong (WC): A new mineral American Mineralogist 94 387-290 |  | 2009 | Luobusa ophiolite, Qusong County, Tibet, China | 0 | 293 |
| 0009247 | Qusongite | Leciejewicz J (1961) A note on the structure of tungsten carbide Acta Crystallographica 14 200-200 |  | 1961 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.511 Å | (94) |
| 1.8778 Å | (90) |
| 2.833 Å | (44) |
| 1.291 Å | (36) |
| 1.449 Å | (25) |
| 1.149 Å | (23) |
| 0.9008 Å | (23) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3a: Earth’s earliest Hadean crust | >4.50 |
| 7 : Ultramafic igneous rocks | |
| Near-surface Processes | |
| 26 : Hadean detrital minerals | |
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 36 : Carbonatites, kimberlites, and related igneous rocks | |
| Stage 5: Initiation of plate tectonics | <3.5-2.5 |
| 38 : Ophiolites | |
| 39 : High-? metamorphism (blueschist, eclogite, ultrahigh ? facies) |
Geological Setting:
In kimberlite; in a PGE-bearing Cu-Ni sulphide deposit hosted by mafic-ultramafic rocks.
Type Occurrence of Qusongite
General Appearance of Type Material:
Irregular, granular, or platy grains, generally 4–8 μm in diameter, but ranging up 0.2 × 0.3 × 0.25 mm.
Place of Conservation of Type Material:
Geological Museum of China, Beijing (2007-034).
Geological Setting of Type Material:
Chromite deposit, hosted in mafic-ultramafic rocks.
Associated Minerals at Type Locality:
Synonyms of Qusongite
Other Language Names for Qusongite
Related Minerals - Strunz-mindat Grouping
| 1.BA.05 | Cohenite | Fe3C |
| 1.BA.10 | Haxonite | NiFe22C6 |
| 1.BA.10 | Isovite | (Cr,Fe)23C6 |
| 1.BA.15 | Tongbaite | Cr3C2 |
| 1.BA.20 | Niobocarbide | (Nb,Ta)C |
| 1.BA.20 | Khamrabaevite | (Ti,V,Fe)C |
| 1.BA.20 | Tantalcarbide | TaC |
| 1.BA.25 | Zoyashlyukovaite | MoC |
| 1.BA.30 | Yarlongite | Cr4Fe4NiC4 |
| 1.BA.35 | Edscottite | Fe5C2 |
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 Qusongite
mindat.org URL:
https://www.mindat.org/min-35898.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Qusongite
Reference List:
Leciejewicz, J. (1961) A note on the structure of tungsten carbide. Acta Crystallographica, 14, 200.
Jambor, John L., Vanko, David A. (1989) New mineral names. American Mineralogist, 74 (7-8) 946-951 p.948
Localities for Qusongite
Showing 11 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.
China | |
| Jianhong Zhang et al. (1986) |
| Jianhong Zhang et al. (1986) |
| American Mineralogist |
| Li et al. (2009) |
Japan | |
| Dr Daisuke Nishio-Hamane +2 other references |
Russia | |
| Glavatskikh et al. (1997) |
| Kaminsky et al. (2016) |
| Mineral. Zhurnal: 9: 7l-82: 1987 Zharg et al. (1986) +1 other reference | |
| Oidup et al. (2012) |
Ukraine | |
| Yatsenko et al. (2020) |
| YATSENKO et al. (2020) |
Quick NavTopAbout QusongiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesStrunz-MindatOther InformationInternet Links References Localities Locality List
Ainusawa River, Haboro, Tomamae District, Rumoi Subprefecture, Hokkaidō Prefecture, Japan