Natural Purplish blue spinel - 1.31 ct - Pear - unheated
This beautiful purplish blue spinel is a gemstone that weighs 1.31 carats and is shaped like a pear. It is completely natural and has not been heat-treated, making it a unique and valuable addition to your collection.
Natural Gems Belgium Colored Stone Certification FA-SPIN024PB-001-061
IDENTIFICATION
Species : Natural Spinel
Variety : Blue Spinel
DESCRIPTION
Shape & Cutting Style : Pear, Mixed Cut
Measurements : 9.3 x 6.5 x 2.8 mm
Carat Weight : 1.31 Carat
Color : Purplish Blue
Clarity : I3
Transparency : Transparent
Luster : Vitreous
Crystallography : Isometric
Dispersion : 0.020
Hardness : 7.5-8
Refractive index: 1.715-1.747
Specific gravity : 3.55 to 3.90
COMMENTS :
No indication of heating, no indication of other treatment
chipped on down side, visible under magnification
Natural Gems Belgium classifies spinels as Type II clarity gemstones, which means they're usually included. Although the highest-valued spinels are usually eye-clean, most spinels contain inclusions visible only through magnification and some visible to the naked eye.
Personal Note From Natural Gems Belgium:
This Purplish blue Spinel gemstone has a Good cut grade with Good symmetry and polish, and a good vitreous luster.
A chip is present on the downside of the Gemstone, visible under magnification. Influencing the value for this stone, because under magnification the chip is influencing the clarity of the stone on the surface
FIND THE ONLINE CERTIFICATE HERE
for general impression of this citrine, please take a look at the pictures
All items are sent insured with track and trace regardless of value
