FA-QUSM024GB-001-128
Natural Gems Belgium Colored Stone Certification FA-QUSM024GB-001-128
IDENTIFICATION : Natural greyish brown smoky quartz - 4.573 ct - pear - unheated - Rose cut
Species : Natural Quartz
Variety : Smoky Quartz
DESCRIPTION
Shape & Cutting Style : rose Cut
Measurements : 15.3 x 9.3 x 4.7 mm
Carat Weight : 4.573 carat
Color : greyish brown
Clarity : comparable with VS2
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 :
No indications of heating, no indications of any other treatment
Personal Note From Natural Gems Belgium:
This 4.576 greyish brown smoky quartz is a gemstone with a rose cut, With good to very good cut grade and symmetry, as well as fair polish and very good vitreous luster. (fair polish due to scratches remaining under magnification after polish.)
