Burande stream alluvial deposits, Larodde, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Size 0,9 mm - Twinned crystal - Probably clinohypersthene : median term between the two poles of the solid solution clinoenstatite-clinoferrosilite - Photo and collection François Périnet.
© François Périnet
Size 0,8 mm – Photo and collection François Périnet