C11 - Longwave Fluorescent Mineral Kit (10 Specimens) willemite LED side flashlight helps with

LED side flashlight helps with nighttime exploration

F7 5x4x2” 3 pounds 1

Very special Calcite from Mexico with multi response under UV

Under longwave responds pink to rose in color

Specimen glows hot pink under longwave and blueish under shortwave UV

C11 - Longwave Fluorescent Mineral Kit (10 Specimens) willemite LED side flashlight helps withEnjoy a extra unique collection of 10 fluorescent mineral specimens that respond and change color under LONGWAVE ultraviolet light. Only about 9 out of 10 specimens will respond under longwave UV aka a blacklight. These do make these specimens harder to obtain. Each specimen ranges in size from 1 to 1 1 2 inches and are labeled and bagged individually in their own seperate baggie. Some specimens may also change to more than one color when exposed to