ALGT Colored Stone Identification Report Identification Species: Natural zoisite Variety: Tanzanite Description Shape & Cutting Style: Oval, mixed cut Measurements: 8.38 x 6.37 x 3.37 mm Carat Weight: 1.35 carat Color: Purplish blue Transparency: Transparent Additional Grading Characteristics Origin: Tanzania Origin determination is an expert opinion based on microscopic examination, spectroscopic features and chemical trace element analysis. Comments Tanzanite is commonly heated at low temperature to improve its color. There is currently no scientific method available to determine whether this gemstone has been enhanced or not. The photos were taken in a professional studio with extensive (natural) lighting to enhance the visibility of the color variations. The images have not been edited in order to present the most realistic representation possible. Color deviations may occur depending on the display settings of your computer, monitor, or smartphone. Well packed and insured registered shipping. Please feel free to take a look at my other listings and offers as well!