Check the listing for details. Terlingua Calcite Specimen Highly Phosphorescent 2.49 Oz. Condition: New. Listed at 34.99 USD. Terlingua Calcite is known for its beautiful phosphorescence. It continues to glow blue for several seconds after being exposed to shortwave UV (254 nm, picture 3). It also displays stunning fluorescence under shortwave (254 nm, picture 1) and longwave (365 nm, picture 2) UV. Weight: 2.49 ounces Origin: Little 38 Mine, Terlingua, Texas

$20.99
$34.99