C11 - Longwave Fluorescent Mineral Kit (10 Specimens) willemite Specimen glows hot pink under

Specimen glows hot pink under longwave and blueish under shortwave UV

Very special Calcite from Mexico with multi response under UV

Duller yellow response under shortwave UV  9

Filtered Shortwave fluorescent tube: 11 Watts - Short wave bulb is included behind filter glass covering

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

C11 - Longwave Fluorescent Mineral Kit (10 Specimens) willemite Specimen glows hot pink underEnjoy 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