FA-AMTR024PY-002-282
Natural Gems Belgium Colored Stone Certification FA-AMTR024PY-002-282
IDENTIFICATION : Natural purple and yellow Ametrine - 11.226 ct - Octagon
Species : Natural Quartz
Variety : Ametrine
DESCRIPTION
Shape & Cutting Style : Octagon
Measurements : 15.7 x 10.0 x 8.6 mm
Carat Weight : 11.226 Carat
Color : good balanced yellow and purple (distinct division flat upper side, distinct division visible back side)
Clarity : comparable to VVS
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.
very good color division
Personal Note From Natural Gems Belgium:
This octagon has good shiny colorful appearance, symmetry is good to very good, polish is very good, cut grade is very good, clarity is very good, color is good to very good
