Emberlite 10mmBrown and gray colors with small amounts of black and white throughout this stone. Emberlite is mostly gray but rich with fluorescent colors and known to glow a vibrant orange color under a pure UV light (365 Nanometer UV Light.) Emberlite is a special kind of fluorescent gemstone that you can find predominantly along the Upper Peninsula along Lake Superior. Natural stones can vary in color making each one uniquely different. DISCLAIMER Products sold