Check the listing for details. Terlingua Calcite Amazing Phosphorescence! 4.77 Oz. Condition: New. Listed at 42.50 USD. This Terlingua Calcite specimen glows bright blue under shortwave UV (254 nm, picture 1) and bright pink under longwave UV (365 nm, picture 2). It also displays stunning phosphorescence when exposed to shortwave UV. It will continue to glow bright blue for several seconds after the UV light is removed. Weight: 4.77 ounces Origin: Little 38 Mine, Terlingua, Texas
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