Glittering Stones >> Semi Precious Stones >> Ametrine

Semi Precious Stone Ametrine

Ametrine is one of the prestigious gemstone initiating with a color of yellowish green to orange brown. Ametrine popularly referred as trystine or the trade name for the stone is bolivianite which is a naturally occurring variety of quartz. It is a blend of amethyst and citrine with zones of purple and yellow or orange. Generally, most of the commercially available ametrine is mined in Bolivia, although the deposits being exploited in Brazil and India. The color zones exist n ametrine is due to differing oxidation states of iron within the crystal. The artificial ametrine can be created using different heat treatment of amethyst.

 

Historical Facts of Ametrine

Refractive Index: 1.544 - 1.553

Chemical Composition: SiO2

Hardness: 7

Density: 2.66

Crystal Group: Hexagonal

Ocurrence: Brazil, Bolivia

Color: Purple, Violet, Yellow

Gemstone Ametrine