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Natural orangey yellow shpene - 0.889 ct - Pear - unheated Discover a new addition to your collection with this stunning gemstone. Sphene, also referred to as "titanite" by geologists and mineralogists, is a unique and rare find that will leave a lasting impact.
Natural Gems Belgium Colored Stone Certification FA-TISP024BY-002-205
IDENTIFICATION
Species : Natural Titanite mineral Variety : Sphene
DESCRIPTION
Shape & Cutting Style : pear, mixed cut Measurements : 7.3 x 5.7 x 2.9 mm Total Carat Weight : 0.889 carat Color : orangey 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 pear cut gemstone its cut grade is good, symmetry is fair, and polish is good. 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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