Check the listing for details. Fluorescent Willemite/Calcite Specimen 29.8 Grams. Condition: New. Listed at 12.99 USD. This Willemite and Calcite specimen displays bright green and orange fluorescence under shortwave UV (254 nm, picture 1). It displays a weaker fluorescence under longwave UV (365 nm, picture 2). A great display piece from the fluorescent mineral capital of the world, Franklin, New Jersey. Weight: 29.8 grams Origin: Franklin, New Jersey
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