Fluorite (+ Quartz?, Siderite?, Chalcopyrite?) - Marienberg, Germany - Approx. 10 cm
Mineral: Fluorite (+ Quartz?, Siderite?, Chalcopyrite?)
Locality: Marienberg, Erzgebirgskreis, Saxony/Sachsen, Germany
Dimensions: Approx. 10 cm

Description: Collection: From an old institute collection, on display at Mineralogical Museum Marburg (my photo)