Natural Swiss Blue Topaz, 0.596 ct, round cut. This certified gemstone features a vibrant deep blue color enhanced through irradiation. Excellent quality and authentic origin make it an outstanding choice for custom jewelry or collectors seeking genuine, premium gemstones.
Natural Gems Belgium Colored Stone Certification FA-TOPAO26SB-003-100
IDENTIFICATION
Species : Natural Topaz Variety : blue topaz
DESCRIPTION
Shape & Cutting Style : round , brilliant Cut Measurements : 4.9 x 4.8 x 3.0 mm Carat Weight : 0.596 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
