AM_Khmaralite
Formula:
Fe1.99 Al14.27 Mg5.47 Si4.8 Be1.47 O40
Name:
Khmaralite
Unit cell:
16.115 14.371 11.254 90.0 90.9 90.0 , V=2605.98
Space group:
P121/C1 (14)
Barbier J , Grew E S , Moore P B , Su S-C , American Mineralogist , 84 (1999) p.1650-1660, Khmaralite, a new beryllium-bearing mineral related to sapphirine:, A superstructure resulting from partial ordering of Be, Al and Si on, tetrahedral sites