Ametrine octagon 10x8

Ametrine 

Cut : octagon 

Colour : Purple / yellow 

Origin : Bolivia 

Carat weight : 3.7ct 

Dimensions : 9.95 x 7.75 mm

Ametrine is a natural bi colour quartz, amythest/citrine , only mined in bolivia, difficult to find with a perfect split of both colours