This piece of Calcite & Fluorite is highly fluorescent under long UV lights; gives off oranges and purples. Possibility of Hydrocarbon.
Location: Southern IL
Dimensions: 4 x 3.5 x 2.5 in (10.1 x 8.9 x 6.4 cm)
Weight: 1 lb 6.1 oz (630 gm)
* Dimensions and weight are approximate and may have been rounded off.