ALGT COLORED STONE IDENTIFICATION REPORT IDENTIFICATION Species ......................................................................................................... Natural Zoisite Variety ..................................................................................................................... Tanzanite DESCRIPTION Shape & Cutting Style ......................................................................... Pear, Mixed Cut Measurements ....................................................................... 12.36 x 8.46 x 4.34 mm Carat Weight ...................................................................................................... 3.13 Carat Color .................................................................................................................... Purple-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. Moderate amount of oil in fissures. Oiling has become a common practice in trade for many gemstones. This enhancement is reversible at any time. 03 October, 2025 54613429