Cummingtonite Structure Data

Cummingtonite Structure Data
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Cummingtonite

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Cummingtonite_1
Formula: Mn2.246 Mg4.514 Ca.24 Si8 O24 H2
Name: Cummingtonite
Unit cell: 9.6045 18.1244 5.3251 90.0 102.642 90.0 , V=904.50
Space group: C12/M1 (12)

Ghose S , Yang H , American Mineralogist , 74 (1989) p.1091-1096, Mn-Mg distribution in a C2/m manganoan cummingtonite: Crystal-chemical, considerations

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