Here is a 10.50Ct Multi Color Tourmaline Slice. This is part of a Jewelry Store stock that will be auctioned this week. If you collect colored gems or love to design your own jewelry- you won't want to miss this auction. Tourmaline is the October birthstone. This will look great in a pendant. This 10.50Ct Tourmaline Slice will be auctioned to the highest bidder at $1 No Reserve.