Sparkly!  Large 40mm faceted aurora borealis crystal ball.  The chain is comprised of a variety of pale aqua, blue, mint green, and rose beads.  There are Swarovski Pacific Opal beads and Light Azore crystal beads, along with pale aqua blue quartz faceted beads.  
 
The crystal ball is about 2" in diameter and the chain, with split ring for handing, measures about 9 1/2" long, for a total length of 12".