AM_Glaucochroite
Formula: Mn.87 Mg.1 Zn.05 Ca.98 Si O4
Name: Glaucochroite
Unit cell: 4.913 11.151 6.488 90.0 90.0 90.0 , V=355.44
Space group: PBNM (62)

Lager G A , Meagher E P , American Mineralogist , 63 (1978) p.365-377, High-temperature structural study of six olivines, T = 25 deg C