Qusongite

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Qusongite
General
CategoryNative element minerals
FormulaWC
IMA symbolQus[1]
Strunz classification1.BA.25
Crystal systemHexagonal
Crystal classDitrigonal dipyramidal (6m2)
H-M symbol: (6 m2)
Space groupP6m2
Unit cella = 2.902, c = 2.831 [Å]; Z = 1
Identification
Colorblack, steel grey
References[2]

Qusongite is an extremely rare mineral with the simple formula WC, which shows the mineral to be a naturally occurring tungsten carbide. It was found in Luobusa ophiolite, China. This ophiolite is known for many natural reduced compounds, including native metals, diamond, silicides and carbides (e.g., moissanite, natural silicon carbide). Qusongite crystallizes in the hexagonal system, with space group P-6m2.[3][4][5]

References

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  1. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  2. ^ Mindat
  3. ^ Fang, Q., Bai, W., Yang, J., Xu, X., Li, G., Shi, N., Xiong, M., and Rong, H., 2009. Qusongite (WC): A new mineral. American Mineralogist 94(2-3), 387-390.
  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).