FA-NRUB024PR-014-012

Natural Gems Belgium Colored Stone Certification FA-NRUB024PR-014-012

IDENTIFICATION : Natural purplish red Ruby - 0.64 ct - Trillion - heated

Species : Natural Corundum
Variety :Ruby

DESCRIPTION

Shape & Cutting Style : Trillion, Mixed Cut
Measurements : 5.9 x 4.8 x 2.7 mm
Carat Weight : 0.64 Carat
Color : purplish Red
Clarity : I1 - I2 
Transparency : Transparent

Birefringence : 0.008-0.009
Luster : Vitreous
Hardness : 9
Inclusions : mainly silk 
Refractive index : 1.757-1.779
Specific gravity : 3.99-4.1
Dispersion : 0.018

COMMENTS :

Indication heating with minor residues, no indications of any other treatment

Personal Note From Natural Gems Belgium:

This Natural purplish red Ruby measures 0.64 ct in a Trillion shape. It has been heated, but with no noticeable signs of fillings. It is a natural gemstone with fair clarity, a good-to-very-good cut grade, fair symmetry, and a very good vitreous luster.