DescriptionPyrite 60608.jpg Groupement irrégulier de trois cristaux de pyrite. Date 06/06/08 Source Own work Author Vassil...
their filename): First row: Pyrite (cubic system) (File:Pyrite 60608.jpg) Selenite (monoclinic system) (File:6selenite1.jpg) Second row: Microcline (triclinic...