Here is a 6.10Ct Tanzanite Loose Gemstone. This is part of a jewelry store stock that will be auctioned this week. If you have always wanted a Tanzanite- this gem is Gorgeous. This stone was confirmed by the gem lab as Tanzanite. It has a purplish blue color and it will look great in a custom ring or necklace. If you collect gems or love to design your own jewelry- you won't want to miss this auction. Tanzanite is the December birthstone. This 6.10Ct Tanzanite will be auctioned to the highest bidder at $1 No Reserve.