5807 A2983 672marps Fluorite, Siderite, Pyrite, K Feldspar, Albite, Granite Mountain Quarry #1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
Octahedral fluorite colourless through to a fracture, then pale purple-grey over the rest of the crystal. Blue fluorescence. Hemisphere of brown siderite(?), rounded pyrite, and colourless albite, all on pinkish-tan K feldspar. Ex Art Smith...