Donpeacorite Structure Data

Donpeacorite Structure Data
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Donpeacorite

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Donpeacorite_4
Formula: Mg1.433 Mn.509 Ti.002 Ca.024 Si1.997 Al.003 O6
Name: Donpeacorite
Unit cell: 18.3718 8.8836 5.2334 90.0 90.0 90.0 , V=854.13
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 904 deg C ORD

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