FA-QUSM024OB-001-002
Natural Gems Belgium Colored Stone Certification FA-QUSM024OB-001-002
IDENTIFICATION : Natural brown smoky quartz - 19.70 ct - fancy - unheated
Species : Natural Quartz
Variety : Smoky Quartz
DESCRIPTION
Shape & Cutting Style : fancy Cut
Measurements : 20.0 x 19.8 x 9.0 mm
Carat Weight : 19.70 carat
Color : slight beige 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 checked
Specific gravity : 2.651 checked
COMMENTS :
No indications of heating, no indications of any other treatment
Personal Note From Natural Gems Belgium:
The Natural brown smoky quartz showcases a good to very good cut grade, good symmetry, a VS clarity, and a good to very good luster. The color grade ranges from honey brown to brown and is graded as good.
