Natural brownish orangey yellow shpene - 0.565 ct - cushion - unheated
Enhance your collection with this stunning gem. Sphene, a rare and mysterious stone known as "titanite" in the fields of geology and mineralogy, is essential for making a bold statement.
Natural Gems Belgium Colored Stone Certification FA-TISP024BY-002-201
IDENTIFICATION
Species : Natural Titanite mineral
Variety : Sphene
DESCRIPTION
Shape & Cutting Style : cushion, mixed cut
Measurements : 4.7 x 4.6 x 3.0 mm
Total Carat Weight : 0.565 carat
Color : brownish orangey yellow
Clarity : I3
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
tiny chips on girdle, fissure inside downside
Personal Note From Natural Gems Belgium:
This oval cut gemstone its cut grade is good, symmetry is good, and polish is fair to 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
