AM_Donpeacorite_3 Formula: Mg1.433 Mn.542 Ti.002 Ca.024 Si1.997 Al.003 O6 Name: Donpeacorite Unit cell: 18.3686 8.8828 5.2287 90.0 90.0 90.0 , V=853.14 Space group: PBCA (61)

Stimpfl M , American Mineralogist , 90 (2005) p.155-161, The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6), and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene, Sample: quenched from 900 deg C DIS