Natural honey yellow shpene - 1.898 ct - cushion - unheated
Add a touch of chic sophistication to your collection with this exceptional piece. Sphene, a rare and elusive gemstone also known as "titanite" in the fields of geology and mineralogy, is sure to make a statement.
Natural Gems Belgium Colored Stone Certification FA-TISP024BY-002-199
IDENTIFICATION
Species : Natural Titanite mineral
Variety : Sphene
DESCRIPTION
Shape & Cutting Style : Cushion, Mixed cut
Measurements : 7.2 x 7.2 x 4.5 mm
Total Carat Weight : 1.898 carat
Color : honey yellow
Clarity : I2
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
Personal Note From Natural Gems Belgium:
This square cushion cut gemstone its cut grade is good, symmetry is good, and polish is good, given its level of difficulty exceptional. The luster is also good and adamantine fair.
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
