UV REACTIVE BLUE SUMATRAN AMBER. Age: Miocene – 10-20 milion years old. PERFECT FOR COLLECTION, LAPIDARY WORK OR REIKI HEALING. Sumatran amber is not heated, clarified, or treated. NATURAL FLUORESCENCE – A very special feature of Sumatran Amber is its natural fluorescence. In many cases the flourescence is observable under normal light; it is of […]