Fluorite w/ Gilsonite & Calcite | Illinois Oreodont showcases classic botryoidal formations with

showcases classic botryoidal formations with a smooth

Its color comes from trace iron and exposure to gamma radiation

with rounded formations and subtle translucency that catch the light beautifully

giving the specimen a distinctive organic look

Fluorite w/ Gilsonite & Calcite | Illinois Oreodont showcases classic botryoidal formations withThis 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