FA-QULE024YE-002-251
Natural Gems Belgium Colored Stone Certification FA-QULE024YE-002-251
IDENTIFICATION : Natural yellow lemon quartz - 6.985 ct - pear - good color
Species : Natural Quartz
Variety : Lemon Quartz
DESCRIPTION
Shape & Cutting Style : pear, mixed Cut
Measurements : 15.2 x 10.5 x 7.9 mm
Carat Weight : 6.985 carat
Color : lemon yellow
Clarity : comparable with SI
Transparency : Translucent
Birefringence : 0.009
Crystallography : Hexagonal (trigonal)
Dispersion : 0.013
Luster : Vitreous
Hardness : 7
Refractive index : 1.544-1.553
Specific gravity : 2.651
COMMENTS :
Color improved by irradiation
(Ouro Verde quartz, also known as lemon quartz, is a light yellow/green variety of irradiated and heated quartz)
tiny tiny dustsize chip on downside only visible under magnification
Personal Note From Natural Gems Belgium:
This lemon quartz is a gemstone with good to very good cut grade and symmetry, as well as good polish and very good vitreous luster,
