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Diopside: CaMgSi2O6 Grossular: Ca3Al2(SiO4)3
Comments: Pale blue prismatic crystal of diopside with orange-brown grossular.
Location: Val d'Aosta, Italy.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Diopside: CaMgSi2O6 Magnesioferrite: MgFe+++2O4
Comments: Very dark brown Magnesioferrite Pleonaste (Iron-Magnesium spinel) with cream colored Calcite and gray green diopside.
Location: Aldan, Gon River, Russia.
Scale: 6 x 4.5 cm.
© Fabre Minerals