Bi-Color Yellow and Purple Quartz gemstones are called Ametrine . Ametrine can also be cut to blend both colours so that the result is a mixture of yellow, purple, and peach tones throughout the stone.
Ametrine belongs to the larger Quartz family and is a very popular gem for jewellery manufacturers due to the availability in large sizes at affordable prices.
Ametrine is the trade name given to an unusual variety of quartz which exhibits the colors of amethyst and citrine side by side. The material has received a good deal of publicity and was first said to be mined in Brazil Later it was reported to have come from Bolivia .
