FA-SPIN024PB-001-106

Natural Gems Belgium Colored Stone Certification FA-SPIN024PB-001-106

IDENTIFICATION : Natural blue spinel - 0.99 ct - oval - unheated

Species : Natural Spinel

Variety : Purple Spinel

DESCRIPTION

Shape & Cutting Style : Oval, Mixed Cut
Measurements : 7.8 x 5.4 x 2.9 mm
Carat Weight : 0.99 Carat
Color : greyish purplish blue
Clarity : SI2
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

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 violet Spinel gemstone has a Good cut grade with Good symmetry and polish, and a good vitreous luster. nice violet color, fair to good clarity