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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
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