Natural yellowish green sphene - 1.43 ct - Octagon - unheated - sparkles A++
Discover the captivating splendor of nature with this stunning 1.43-carat natural octagon-cut yellowish green sphene. Its alluring rainbow sparkles shimmer brilliantly in direct light. This unheated gem an A++ sparkle grade grade, exuding dazzling luminosity. Make an elegant and refined statement by adding this rare sphene, also known as "titanite" in geology and mineralogy, to your collection.
Natural Gems Belgium Colored Stone Certification FA-TISP024BY-001-003
IDENTIFICATION
Species : Natural Titanite mineral
Variety : Green Sphene
DESCRIPTION
Shape & Cutting Style : Octagon, Mixed cut
Measurements : 10.1 x 4.0 x 3.0 mm
Total Carat Weight : 1.43 carat
Color : Yellowish green
Clarity : I1 (tiny chip on the down side)
Transparency : Transparent
Luster: Adamantine (difficult to polish)
Birefringence : 0.100-0.192.
Cleavage : Distinct 1 direction
Crystallography : Monoclinic
Dispersion : 0.051 (strong)
Hardness : 5- 5.5
Inclusions : feathers
Refractive index : 1.843-2.110
Specific gravity : 3.45-3.55
COMMENTS :
No indications of heating - No indications of treatment
Strong dispersion rate - A++ sparkles : sparkles in more the 3 colors minimum basically under direct light - adamantine luster
Tiny chip down side, only visiblewith magnification, not influencing value for setting in jewelry.
Personal Note From Natural Gems Belgium:
This 1.43 ct octagon cut gemstone sparkles yellowish greeen in normal daylight and exhibits multiple colors of sparkle in direct light. Its cut grade is good, symmetry is good, and polish is good, given its level of difficulty. The luster is also very and adamantine.
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