Natural Green Tourmaline - 4.14 ct - round - AAA grade - unheated - certified by NGB
Natural Green Tourmaline - 4.14 ct - round - AAA grade - unheated - certified by NGB
Natural Green Tourmaline - 4.14 ct - round - unheated
Experience the true beauty of nature with our Natural Green Tourmaline. This stunning gemstone, weighing 4.14 ct, boasts a round cut and has never been heat-treated, preserving its luxurious and natural color. Certified by NGB, our clients trust in the authenticity and authenticity of this piece. Add this unheated gemstone to your collection and let its mesmerizing beauty and untampered purity elevate your style.
Natural Gems Belgium Colored Stone Certification FA-TOCH024GR-001-006
IDENTIFICATION
Species : Natural Tourmaline
Variety : Green Tourmaline (verdelite)
DESCRIPTION
Shape & Cutting Style : Round, Brilliant Cut
Measurements : 10.0 x 9.2 x 6.7 mm
Carat Weight : 4.14 carat
Color : deep olive green
Clarity : comparable with S1
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 round, brilliant cut tourmaline is a deep green gemstone, with cut grade good, has symmetry good has polish grade good to very good, and a clarity comparable to SI1, making it a gemstone with good vitreous luster, and nice clear green color.
Reference for AAA grading:
Color grade is good
Cut grade is good
Carat weight is very 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