This is a bi-color variety of quartz contining both amethyst and citrine colors. The stone is usually cut in facets in a rectangular shape to show both the yellow and purple colors. The Anahi Mine in Bolivia is the major source for ametrine.
A gemstone that is composed of part Amethyst and part Citrine. Natural Ametrine usually occurs where Amethyst has come in contact with heat, which changes the color from purple to golden yellow, but may also be created in a lab.
Ametrine is a variety of quartz, a mixture of amethyst and citrine. Ametrine is partially purple and partially orange-yellow.
Ametrine is a quartz crystal that contains amethyst and citrine. It is a bi-color gemstone including the violet of amethyst and the yellow of citrine. On Mohs’ scale of hardness, ametrine is 7. It is primarily found in Bolivia. (See Ametrine Facts.) (Note: Sources listed in order of primary and secondary deposits.)
A bi-colored variety of crystalline quartz containing the characteristic colors of both citrine and amethyst.
A mixture of amet hyst and cit rine, it is partially purple and partially orange-yellow.
Ametrine, also known as trystine or by its trade name as bolivianite, is a naturally occurring variety of quartz. It is a mixture of amethyst and citrine with zones of purple and yellow or orange. Almost all commercially available ametrine is mined in Bolivia, although there are deposits being exploited in Brazil and India.