Davisite

Davisite

Davisite

Inosilicate mineral

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]

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Named after Andrew M. Davis, 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

  1. [1]
    Ma, C., and Rossmann, G.R., 2009: Davisite, CaScAlSiO6, a new pyroxene from the Allende meteorite
  2. [2]
    Mindat, http://www.mindat.org/min-38829.doc
  3. [3]
    Scandium, The mineralogy of Scandium - Mindat. org
  4. [4]
    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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