This is beautiful Aurora Borealis crystal set. In the light it gives off a brilliant sparkle with spectrum of colors. In research it has been found that there single strands and double strands available. This necklace is a rare, triple strand necklace and it comes with matching button earrings. The strands measure 14″ – outer strand , 12″ – middle strand and 10″ – the smallest inner strand. It has an adjustable 3″ extension with a hook clasp. The earrings are 3/4″  in diameter with a large crystal in the center and smaller one around it. This set is in mint condition. Well taken care of.