AM_Pyroxmangite_2
Formula:
Mn6.775 Mg.225 Si7 O21
Name:
Pyroxmangite
Unit cell:
9.739 10.585 17.482 112.02 102.66 82.97 , V=1628.48
Space group:
C-1 (2)
Pinckney L R , Burnham C W , American Mineralogist , 73 (1988) p.809-817, High-temperature crystal structure of pyroxmangite, Sample: T = 400 C