RUSSIAN JOURNAL OF EARTH SCIENCES VOL. 8, ES3002, doi:10.2205/2006ES000196, 2006

2006ES000196-fig16.html
Figure 16. Quadrupole splitting of variably coordinated Fe ions (a - BFe3+, b - BFe2+, c - AFe2+) as a function of the Al mole fraction Al/(Al + Cr) of natural Cr-spinels. Cr-spinels: 1 - high-Fe3+ ( > 1, FE); 2 - low-Fe3+ ( < 1, FE); 3 - picotite with the highest Al3+ concentration.

RJES

Citation: Makeyev, A. B. (2006), Typomorphic features of Cr-spinel and mineralogical prospecting guides for Cr ore mineralization, Russ. J. Earth Sci., 8, ES3002, doi:10.2205/2006ES000196.

Copyright 2006 by the Russian Journal of Earth Sciences
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