PDCgems
Ametrine, Quartz
$4,823
Ametrine is a natural variety of quartz. It is a mixture of amethyst and citrine with areas of purple and yellow or orange.
The color of the visible areas in ametrine is due to different oxidation states of the iron in the crystal. Citrine segments have oxidized iron while amethyst segments are not oxidized.
This ametrine was cut and signed by the very famous John Dyer.
Variety: Quartz
Color: Yellow and purple
Dimensions: 14.20 mm
Weight: 13.82 ct
Shape and size: Square, starbright cut
Origin: Bolivia
Treatment: None
Hardness: 7
Actual product colors may vary from colors shown on your monitor.