Ametrine 10x11-11x16mm Nugget - 15-16 Inch Crazy It is sometimes used for

It is sometimes used for scalpel blades in cardiac surgery

000 years ago

The Ruby inclusions in this stone are pink to reddish purple to dark purple

but will not be chemically treated or altered

a variety of Feldspar

Ametrine 10x11-11x16mm Nugget - 15-16 Inch Crazy It is sometimes used forAmetrine is quartz that occurs in bands of purple and yellow. As the name suggests, it is a combination of Amethyst and Citrine. The different colored zones in the stone result from different oxidation states of iron, due to exposure to different temperatures during its formation. It is believed that Ametrine was first introduced to Europe by a conquistadors gift from Bolivia to the Spanish Queen.