Monday, June 30, 2014

What is Ametrine


 
Ametrine gemstone in traditional emerald cut
 

A beautiful and new to me stone is ametrine. This is a combination of amethyst and citrine that has naturally formed within one gemstone. It produces a gemstone that is purple and yellow, amethyst and citrine, within a single gemstone. The colors can be a 50-50 split or a molted pattern that produces colors ranging from peach to magenta.

 

Ametrine crystal
 
 
Ametrine is a rare gemstone and is only produced in one mine in southeastern Bolivia. While ametrine has been known for several hundred years it wasn’t until 1925 that the gemstone was documented in an issue of American Mineralogist. In the 1960s the gemstone was being produced but not attributed to any specific mine, in 1989 the mining company Minerales y Metales del Oriente S.R.L. obtained mining right and began commercial production.

 

Ametrine cabriole pendant
 
 
While this gemstone is rare it is also beautiful and affordable. Usually cut in an emerald cut, this stone has a bi-color pattern from purple to yellow. When compared to similar sized stones of other material, the ametrine is quite affordable yet equally as beautiful. A pendant is a perfect way to wear ametrine as it protects the stone while showing it to advantage by allowing the highlighting of the color pattern in the stone.

 

Ametrine is interesting in its natural form
 
 
Ametrine is an interesting gemstone; it has properties of amethyst and citrine. If found naturally it is quite rare. While synthetic varieties can be produced by heat treating, it can be costly thereby making the gemstone more expensive. Since natural varieties are available and quite beautiful, so why not go natural? Ametrine is my latest find and I’m quite pleased with this gemstone, hopefully I can get my pieces up on-line for viewing soon.
 
 
Ametrine in a fancy cut

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