FA-TOPAO26SB-003-102

Natural Swiss Blue Topaz - 0.580 ct - round - irradiated - AAA grade - certified natural.

Natural Gems Belgium Colored Stone Certification FA-TOPAO26SB-003-102

IDENTIFICATION

Species : Natural Topaz
Variety :  blue topaz

DESCRIPTION

Shape & Cutting Style : round , brilliant Cut
Measurements : 5.0 x 5.0 x 2.9 mm
Carat Weight : 0.580 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

Motivation AAA grade
high luster brilliant
Color : excellent
cut - excellent
Symmetry very good
Carat : jewelry size
Clarity: very good
Polish: very good

Personal Note From Natural Gems Belgium:

higher quality gemstone , perfect for setting in high end jewelry