Davisite
| Davisite | |
|---|---|
| General | |
| Category | Mineral |
| Formula (repeating unit) | CaScAlSiO6 |
Davisite is an exceedingly rare mineral of the pyroxene group, with formula CaScAlSiO6. It is the scandium-dominant member.[1][2] It stands for scandium-analogue of other pyroxene-group members, esseneite, grossmanite and kushiroite.[2] Davisite is one of scarce minerals containing essential scandium.[3]
It is named for Andrew M. Davis, an American meteoriticist and professor of astronomy and geoscience at the University of Chicago.
Based on a synthesized sample, the mineral likely crystallizes in the monoclinic crystal system with space group C2/c.[4]
References
[edit]- ^ Ma, C., and Rossmann, G.R., 2009: Davisite, CaScAlSiO6, a new pyroxene from the Allende meteorite
- ^ a b Mindat, http://www.mindat.org/min-38829.html
- ^ Scandium, The mineralogy of Scandium - Mindat. org
- ^ Ohashi, H.; Ii, N. (1978). "Structure of calcium scandium aluminum silicate (CaScAlSiO6)-pyroxene". Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists. 73: 267–273. doi:10.2465/ganko1941.73.267.
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