Natural Green Tourmaline - 1.76 ct - octagon - AAA grade - unheated - certified by NGB

Natural Green Tourmaline - 1.76 ct - octagon - unheated
Transform your jewelry collection with the unique beauty of natural green tourmaline. This certified and unheated gemstone has a 1.76 ct weight and an elegant octagon shape, making it a valuable addition to any collection. With natural tourmaline, you can enjoy the benefits of a completely natural and untreated gemstone, free from any artificial enhancements.

Natural Gems Belgium Colored Stone Certification  FA-TOCH024GR-001-005

IDENTIFICATION

Species : Natural Tourmaline
Variety : Verdelite

DESCRIPTION

Shape & Cutting Style : Modified Octagon, Step Cut
Measurements : 6.5 x 6.3 x 4.9 mm
Carat Weight : 1.78 carat
Color : deep green
Clarity : comparable with VS1
Transparency : Transparent

Birefringence : 0.020
Crystallography : Hexagonal (trigonal)
Dispersion : 0.017
Luster : Vitreous
Hardness : 7
Refractive index : 1.603-1.820
Specific gravity : 3.39-3.41

COMMENTS :

No indications of heating, no indications of any other treatment;
Green Tourmaline is often referred to as verdelite

FIND THE ONLINE CERTIFICATE HERE

for general impression take a look at the pictures

All items are sent insured with track and trace regardless of value