FA-COIO024VB-001-002

Natural Gems Belgium Colored Stone Certification FA-COIO024VB-001-002

IDENTIFICATION : Natural Violet Bluet Iolite - 1.14 ct - round - unheated

Species : Natural Cordierite
Variety : Iolite

DESCRIPTION

Shape & Cutting Style : Round, Mixed Cut
Measurements : 6.8 x 6.8 x 4.3 mm
Carat Weight : 1.14 Carat
Color : violet blue
Clarity : comparable to I2
Transparency : Transparant

Birefringence : 0.005-0.018
Crystallography : Orthorhombic
Dispersion : 0.017
Luster : Vitreous
Hardness : 7.5
Refractive index : 1.555
Specific gravity : 2.61

COMMENTS :

No indications of heating, no indications of any other treatment

Small chipped not visible without magnification

Personal Note From Natural Gems Belgium:

This Natural Violet Bluet Iolite is a round-shaped gemstone with a weight of 1.14 ct. It is unheated. The cut is graded as good, while the symmetry and polish are both fair to good. Although the surface may have small chip, it is not visible without magnification and does not affect the value when set in jewelry.