O57 Chalcedony & Calcite fluorescent minerals N - 2 Willemite from

N - 2 Willemite from Franklin

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

Truly special specimens and a must for any fluorescent mineral display

New Jersey

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

O57 Chalcedony & Calcite fluorescent minerals N - 2 Willemite fromO57 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.