Chemistry:Kangite

From HandWiki
Kangite
General
CategoryMineral
Formula
(repeating unit)
(Sc,Ti,Al,Zr,Mg,Ca,□)
2
O
3

Kangite is an exceedingly rare scandium mineral, a natural form of impure scandium oxide (Sc
2
O
3
), with the formula (Sc,Ti,Al,Zr,Mg,Ca,□)
2
O
3
. It crystallizes in the cubic crystal system diploidal class.[1] In terms of chemistry it scandium-analogue of tistarite. Both kangite and tistarite were discovered in the Allende meteorite.[2][1][3][4]

References

  1. 1.0 1.1 Mindat, Kangite, http://www.mindat.org/min-42879.html
  2. Ma, C., Tschauner, O., Beckett, J.R., Rossmann, G.R., and Liu, W., 2013: Kangite, (Sc,Ti,Al,Zr,Mg,Ca,□)2O3, a new ultra-refractory scandia mineral from the Allende meteorite: Synchrotron micro-Laue diffraction and electron backscatter diffraction. American Mineralogist 98(5-6), 870-878
  3. Mindat, Tistarite, http://www.mindat.org/min-38695.html
  4. Mindat, Yttriaite-(Y), http://www.mindat.org/min-40471.html