Fluorite w/ Gilsonite & Calcite | Illinois Oreodont saturated orange-red and red-brown hexagonal

saturated orange-red and red-brown hexagonal crystals reminiscent of smoldering embers

Its color comes from trace iron and exposure to gamma radiation

Featuring a contrast of the brassy luster of the pyrite with the white snowy texture of the quartz

5 on the Mohs hardness scale

and is used in jewelry

Fluorite w/ Gilsonite & Calcite | Illinois Oreodont saturated orange-red and red-brown hexagonalThis is a rare mineral combination that features a vibrant contrast of black, yellow and white. It also fluoresces bright purple under uv light. Fluorite is a halide, while Calcite is a carbonate. They are frequently found together in hydrothermal veins, with Gilsonite (a hydrocarbon) acting as a rare, organic inclusion. This item is 2. 5 x 2. 5 and weighs 8. 4 oz