Natural yellow shpene - 0.455 ct - round - unheated

Natural yellow shpene - 0.455 ct - round - unheated
Enhance your collection with this exquisite gemstone. Sphene, also known as "titanite" in the world of geology and mineralogy, is a one-of-a-kind and uncommon discovery that will make a lasting impression.

Natural Gems Belgium Colored Stone Certification FA-TISP024BY-002-206

IDENTIFICATION

Species : Natural Titanite mineral
Variety : Sphene

DESCRIPTION

Shape & Cutting Style : round
Measurements : 4.7 x 4.7 x 2.8 mm
Total Carat Weight : 0.455 carat
Color : deep yellow  
Clarity : I1
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 

Personal Note From Natural Gems Belgium:

This round cut gemstone its cut grade is good, symmetry is fair, and polish is fair. 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