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

Current photos do no do justice to the fine purple response of this Fluorite

The purple response is an unknown mineral response

Truly special specimens and a must for any fluorescent mineral display

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.