Natural Green Tourmaline - 1.76 ct - octagon - AAA grade - unheated - certified by NGB
Natural Green Tourmaline - 1.76 ct - octagon - AAA grade - unheated - certified by NGB
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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
Personal Note From Natural Gems Belgium:
This all natural modified octagon, step cut, tapered, is a deep green gemstone, cith cut grade good to very good, has symmetry good (modified) has polis grade good to very good, and a clarity comparable to vs1, making it a gemstone with good vtreous luster, and nice clear deep color.
Reference for AAA grading:
Color grade is good
Cut grade is good to very good
Carat weight is good
Clarity is VS1
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
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