Ametrine is one of the world’s most unusual types of gem stones in that it is actually two types of gems in the one stone. The yellow-orange part of ametrine is citrine and the violet-purple part is amethyst. The unusual color variation found in Ametrine is due to the presence of iron in different oxidation states within the crystalline structure.
Ametrine Gemstone jewelry has increased in popularity since that time and today even ametrine rings of unusual design have become a fashionable item. Many jewelry designers are today making full use of ametrine’s unusual qualities to produce some truly eye-catching items.