FA-AMTR024PY-001-072
Natural Gems Belgium Colored Stone Certification FA-AMTR024PY-001-072
IDENTIFICATION : Natural light purple and yellow Ametrine - 8.15 ct - octagon - unheated - Bolivia
Species : Natural Quartz
Variety : Ametrine
DESCRIPTION
Shape & Cutting Style : cushion, Mixed Cut
Measurements : 13.1 x 11.0 x 8.3 mm
Carat Weight : 8.15 Carat
Color : licht purple, combined with light yellow
Clarity : comparable to VS1
Transparency : Transparant
Birefringence : 0.009
Crystallography : hexagonal
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
A combination of amethyst and citrine.
Personal Note From Natural Gems Belgium:
This cushion shaped natural ametrine has good appearance, division purple and yellow mainly visible on the down part, symmetry is good, polish is good, cut grade is good, clarity is good, lower color grade.
