Natural quartz - 7.985 ct - pear - clear quartz

Natural quartz - 7.985 ct - pear - clear quartz

colors visible on video are the environmental influences, since pure cystal quartz easily adapts colors,

Natural Gems Belgium Colored Stone Certification  FA-QUAR026CL-003-256

IDENTIFICATION

Species : Natural Quartz
Variety : Clear Quartz

DESCRIPTION

Shape & Cutting Style : pear, mixed  Cut
Measurements : 16.9 x 12.4 x 7.8 mm
Carat Weight : 7.985 carat
Color : almost colorless 
Clarity : comparable with VS
Transparency : Transparent

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

FIND THE ONLINE CERTIFICATE HERE