AM_Omphacite_10
Formula: (Na1.048 Ca.952) Mg.936 Fe.159 Al.905 Si4 O12
Name: Omphacite
Unit cell: 9.578 8.772 5.253 90.0 106.89 90.0 , V=422.31
Space group: P12/N1 (13)

Mottana A , Rossi G , Kracher A , Kurat G , Tschermaks Mineralogische und Petrographische Mitteilungen , 26 (1979) p.187-201, Violan revisited: Mn-bearing omphacite and diopside, Locality: manganese deposit of Praborna, St Marcel, Aosta Valley, Italy