This stone was cut by award winning lapidary artist John Dyer in his trademarked Dreamscape series.
 
Color- 
Hue: Green
Saturation: slightly brownish/grayish
Tone: Light 
 
Mineral:  Prasiolite var. Quartz
Origin: Brazil
Weight:  13.5ct
Shape:  Fancy
Facet style:  Fantasy Cut
Dimensions:  21.6mm x 12.8mm x 8.2mm
Clarity: Loupe Clean