Natural clear quartz - 11.855 ct - round custom cut - pure quartz

Natural clear quartz - 11.855 ct - round custom cut - pure quartz

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

Natural Gems Belgium Colored Stone Certification  FA-QUAR026CL-003-259

IDENTIFICATION

Species : Natural Quartz
Variety : Clear Quartz

DESCRIPTION

Shape & Cutting Style : round, custom Cut
Measurements : 14.9 x 14.8 x 11.1 mm
Carat Weight : 11.855 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