“Frothy” Fluorite with minor Calcite. This piece is quite fluorescent under longwave UV lights, giving off purples, oranges & a bit of light green.
Location: Southern IL
Dimensions: 3.5 x 3 x 2 in (8.9 x 7.6 x 5 cm)
Weight: 9.8 oz (280 gm)
* Dimensions and weight are approximate and may have been rounded off.