Issue Date: 22 August, 2024 ALGT REPORT NUMBER: 37242939 IDENTIFICATION Species …………………………………………………… Natural Chrysoberyl Variety ……………………………………………………. Greenish Yellow Chrysoberyl DESCRIPTION Shape & Cutting Style …………………………………….. Pear, Mixed Cut Measurements …………………………………………….. 9.51 × 6.08 × 3.23 mm Carat Weight ……………………………………………… 1.58 Carat Color …………………………………………………………….. Intense/Vivid Greenish Yellow Transparency ……………………………………………… Transparent Additional Grading Characteristics Color Quality Grade …………………………………….. Fine Color Quality COMMENTS No indications of treatment. Main Properties Of Chrysoberyl Chemical Composition …………………………………… BeAl₂O₄ Crystal System ……………………………………………. Orthorhombic Mohs Hardness …………………………………………… 8.5 Specific Gravity ………………………………………….. 3.50 – 3.84 g/cm³ Optical Character ………………………………………… Uniaxial- Refractive Index ………………………………………….. 1.745 – 1.755 Birefringence ………………………………………………. 0.008 – 0.010