C11 - Longwave Fluorescent Mineral Kit (10 Specimens) willemite Under longwave UV fluorescent white

Under longwave UV fluorescent white response

The whole specimen responds under shortwave or longwave UV even with just sun exposure

Under longwave responds pink to rose in color

F7 5x4x2” 3 pounds 1

The output of longwave LEDs are exceptionally strong because of technological advancements

C11 - Longwave Fluorescent Mineral Kit (10 Specimens) willemite Under longwave UV fluorescent whiteEnjoy 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