Fancy Tanzanites or untreated/unheated tanzanites can range from purples to pinks to blue-greens.They are absolutely gorgeous and no two stones look alike. They are naturally this color and are generally heat treated to get the famous blue-purple colored tanzanites.All fancy colored tanzanites used to be heated but as the other colors gained popularity they were left in their natural form. . Tanzanites belong to the Zoisite family of gemstones; they are a 6.5 on the Mohs Scale of Hardness. These stones are pretty durable and should not chip or crack unless used very roughly. They can be cleaned in any regular jewelry cleaner and will not be affected by low amounts of heat or pressure.
Following are the details on this particular stone:
CODE: S-1-12028 WEIGHT: 2.17 Carats SIZE: 7.1 x 8.9 MM COUNTRY OF ORIGIN: Tanzania TREATMENT: None