AM_Spinel_484
Formula:
Al1.928 Mg1.003 Cr.066 Mn.001 Zn.002 O4
Name:
Spinel
Unit cell:
8.1018 8.1018 8.1018 90.0 90.0 90.0 , V=531.80
Space group:
FD3M (227)
Martignago F , Dal Negro A , Carbonin S , Physics and Chemistry of Minerals , 30 (2003) p.401-408, How Cr3+ and Fe3+ affect Mg-Al order-disorder transformation at high temperature, in natural spinels, Sample: L-Cr, 1st run, T = 200 C