Natural Swiss Blue Topaz - 0.510 ct - round - irradiated - high quality - certified natural
Certified Natural Swiss Blue Topaz, 0.510 ct, round cut. This brilliant gemstone showcases a stunning deep blue hue enhanced through irradiation. Perfect for custom jewelry or serious collectors who value authentic, high-quality stones with verified natural origin.
Natural Gems Belgium Colored Stone Certification FA-TOPAO26SB-003-098
IDENTIFICATION
Species : Natural Topaz Variety : blue topaz
DESCRIPTION
Shape & Cutting Style : round , brilliant Cut Measurements : 4.7 x 4.8 x 3.0 mm Carat Weight : 0.510 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 - Good Color - Excellent cut
