Here is an estate approximately 100Ct Multi Color Tourmaline Necklace in Silver. This was examined by the Gem Lab and was tested and it is Tourmaline. There are a variety of different colors that will decorate her for a fun night out for Dinner. Some of the Tourmaline Gems have more than 1 color. The metal was electronically tested and it is 85.44% Silver. Tourmaline is the October Birthstone. This will be auctioned to the highest bidder with an opening bid of $1 with No Reserve.