Natural Chrome Tourmaline - 1.69 ct - oval - unheated - color change under incadescent light and under chelsea filter with sunlight
Unleash a spectrum of color with this natural chrome tourmaline. Under incandescent light and a Chelsea filter with sunlight, witness its breathtaking color change - a true testament to its purity and authenticity. Discover the unique and stunning beauty of this unheated, magnificent tourmaline, in a remarkable oval cut weighing 1.69 carats.
Natural Gems Belgium Colored Stone Certification FA-TOCH024BY-001-001
IDENTIFICATION
Species : Natural Tourmaline
Variety : Chrome Tourmaline
DESCRIPTION
Shape & Cutting Style : oval, mixed cut
Measurements : 9.0 x 6.5 x 4.0 mm
Carat Weight : 1.69 carat
Color : yellowish green - yellow to green under gemlight - green red under chelsea filter
Clarity : comparable with SI2
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
Personal Note From Natural Gems Belgium:
This natural chrome tourmaline exhibits a continuous color change phenomenon, displaying varying hues under different lighting conditions. With a good cut grade, good to very good facetting, and good symmetry, this unheated oval-shaped gemstone boasts exceptional polish.
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
