Natural purple and yellow Ametrine - 13.178 ct - Octagon
Dual-colored Ametrine - of superior quality - is a unique gemstone, created from amethyst and citrine. It is renowned for its vibrant array of hues and is an exquisite addition to any collection or jewelry piece.
Natural Gems Belgium Colored Stone Certification FA-AMTR024PY-002-281
IDENTIFICATION
Species : Natural Quartz
Variety : Ametrine
DESCRIPTION
Shape & Cutting Style : Octagon
Measurements : 13.2 x 12.2 x 9.4 mm
Carat Weight : 13.178 Carat
Color : good balanced yellow and purple (good division flat upper side, distinct division visible back side)
Clarity : comparable to VS
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 octagon has good shiny colorful appearance, looking flat on the upper surface, you see a good division of yellow and purple, flat from down side distinct, symmetry is good to very good, polish is very good, cut grade is very good, clarity is very good,
FIND THE ONLINE CERTIFICATE HERE
For impression take a look at the pictures,
all items are sent insured with track and trace regardless of value
