This one-of -a-kind UV Glow Luna Moth necklace is handcrafted from pure fine silver (999) and has rare Uranium sea glass in its wings that glow under a black UV light. This exclusive piece includes Mexican cave calcite beads that light up under UV light due to strontium aluminate, a rare mineral.  A tiny LED UV light is included with purchase.  Sure to be a statement piece, the necklace measures approximately 23 inches and the butterfly is 2 inches long by 2 inches wide.  Also features Swarvski, hematite, vintage lead crystal beads with solid sterling findings.