Check the listing for details. Phosphorescent Willemite Bright Green Glow!! 8.70 Oz. Condition: New. Listed at 37.95 USD. This Willemite specimen is phosphorescent when exposed to shortwave UV (254 nm, picture 3). It displays a bright green fluorescence under shortwave UV (254 nm, picture 1) and a slightly less bright green under longwave UV (365 nm, picture 2). Add this stunning display piece to your Fluorescent Mineral collection today! Weight: 8.70 ounces Origin: Franklin, New Jersey

$22.77
$37.95