This stone has attractive color zoning with a flat back. Ideal for use in a fantasy cut gem or fine as is.
 
Mineral:  Amethyst var. Quartz
Color:  Purple (Zoned)
Origin:  Brazil
Weight:  21.2ct
Shape:  Hexagon
Facet style:  Portrait Cut / Flat Back
Dimensions:  21.5mm(point to point) x 18.6mm(flat to flat) x 7.4mm
Clarity: Loupe Clean