Natural honey yellow sphene - 1.085 ct - cushion - unheated Expand your gemstone collection with this stunning find. Sphene, also referred to as "titanite" in the world of geology and mineralogy, is a unique and rare discovery that will leave a lasting impact.
Natural Gems Belgium Colored Stone Certification FA-TISP024BY-002-207
IDENTIFICATION
Species : Natural Titanite mineral Variety : Sphene
DESCRIPTION
Shape & Cutting Style : cushion, mixed cut Measurements : 6.7 x 5.6 x 2.9 mm Total Carat Weight : 1.085carat Color : honey 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
Personal Note From Natural Gems Belgium:
This cushion cut gemstone its cut grade is good, symmetry is good, and polish is fair to good. The luster is good and adamantine fair.