Natural yellow shpene - 0.824 ct - cushion - unheated
Enhance your collection with this stunning gem. Sphene, a rare and mysterious gem commonly referred to as "titanite" in the fields of geology and mineralogy, is essential for making a lasting impact.
Natural Gems Belgium Colored Stone Certification FA-TISP024BY-002-203
IDENTIFICATION
Species : Natural Titanite mineral
Variety : Sphene
DESCRIPTION
Shape & Cutting Style : cushion, mixed cut
Measurements : 6.3 x 5.6 x 3.1 mm
Total Carat Weight : 0.824 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
Refractive index : 1.843-2.110
Specific gravity : 3.45-3.55
COMMENTS :
No indications of heating - No indications of treatment
Strong dispersion rate
inequalities in surface due to polish (under magnification)
Personal Note From Natural Gems Belgium:
This oval cut gemstone its cut grade is good, symmetry is good, and polish is poor. The luster is good and adamantine good.
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
