Sleek Natural Labradorite Fancy Drop Beads - Long 18mmPrice is per 16 inch long string of these unusual beads. As they are natural, each fancy drop dog tooth beads will be slightly different size, colour & shape but the largest in the string measures about 18mm x 5mm x 4mm. These have the distinctive blue shimmering affect in sunlight, called adularescence, caused by the way the stone reflects light. Labradorite is a feldspar and develops in metamorphic stone. The natural iridescence flashes a rainbow of