O57 Chalcedony & Calcite fluorescent minerals Each mineral is separately bagged

Each mineral is separately bagged and labeled

Mexico responds green under shortwave and a cream / sky blue under midwave and longwave UV

N - 2 Willemite from Franklin

The purple response is an unknown mineral response

Under longwave or shortwave some of the best fluorescent material on the planet

O57 Chalcedony & Calcite fluorescent minerals Each mineral is separately baggedO57 chalcedony & calcite from Crawford, Nebraska lime green chalcedony & red calcite known as watermelon rock due to its food appeal. 3. 6 ounces weight 3 1 2x2 size responds best under midwave and shortwave. Whitish yellow response under longwave. The purple response is an unknown mineral response.