Fluorite, Calcite and Sfalerite, Minerva Mine, Hardin, Illinois. USA
An intriguing and visually aesthetic blend of three minerals in one, starting with the gorgeous bi-coloured Fluorite, surrounded by bipiramidal, prismatic cream crystals of Calcite, all sustained by the dark metallic bed of Sfalerite acting as its matrix.
Place of discovery: Minerva Mine
Location: Hardin, Illinois, USA