Natural greenish yellow shpene - 0.457 ct - oval - unheated
Elevate your collection with this exquisite piece. Sphene, a scarce and enigmatic gemstone also referred to as "titanite" in geology and mineralogy, is a must-have for making a statement.
Natural Gems Belgium Colored Stone Certification FA-TISP024BY-002-200
IDENTIFICATION
Species : Natural Titanite mineral
Variety : Sphene
DESCRIPTION
Shape & Cutting Style : oval, mixed cut
Measurements : 4.8 x 4.4 x 2.9 mm
Total Carat Weight : 0.457 carat
Color : greenish 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 oval 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
