Most gemstones are found in several places in the world

Gems that are in the same place as tanzanite is usually quite expensive. But it is not Ametrine. Although nearly all the world offers Ametrine from one mine - the mine in southeastern Bolivia Anahi - Ametrine gem is still very affordable, gem stone set although prices have risen in the last decade.

Anahi mine has survived hundreds of years. The history of that mine was in the seventeenth century known as the Spanish conquistador received as a dowry when he married a princess named Anahi Ayoreos. Ametrine crystals were first introduced to Europe conquistadors gift to the Queen of Spain. Ametrine However, style pearl necklace only in the market in number since 1980. Anahi mine is also one of the world's largest producer of high quality amethyst.

Amethyst and citrine are two forms of quartz are often found in the same places. But for the two colors in the same crystal of quartz are rare. Both citrine, amethyst, traces of iron stained, but the color zones are visible twisted bead necklace in Ametrine due to different oxidation states of iron in the crystal. Different oxidation caused by temperature differences in the crystal during its formation.