Natural Swiss Blue Topaz - 0.589 ct - round - irradiated - high quality - certified natural.
Natural Swiss Blue Topaz, 0.589 ct, round cut. This certified gemstone showcases a striking deep blue hue and exceptional quality—perfect for custom jewelry or serious collectors.
Natural Gems Belgium Colored Stone Certification FA-TOPAO26SB-003-101
IDENTIFICATION
Species : Natural Topaz Variety : blue topaz
DESCRIPTION
Shape & Cutting Style : round , brilliant Cut Measurements : 5.0 x 4.9 x 2.9 mm Carat Weight : 0.589 carat Color : blue (swiss blue) Clarity : comparable to VVS Transparency : Transparent Binefringence: 0.008-0.011 Crystallography : Orthorhombic Hardness : 8 Luster : Vitreous Refractive Index : 1.607-1.649 (1631=Brazil) Specific Gravity : 3.50-3.57 ( 352-353)
COMMENTS
Color improved by irradiation high luster - Very Good Color - Excellent cut - very good clarity
