Natural yellow shpene - 0.824 ct - cushion - unheated

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