Is ametrine an amethyst?

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.

Are ametrine valuable?

Ametrines are on average priced at around $8.00 per carat, but the cost of an ametrine gemstone can rise dramatically depending on the cut, clarity, and color of the stone.

How do you know if ametrine is real?

The gemmologist needs only to find the direction of the optic axis to determine whether an ametrine is natural or synthetic. The optic axis in a uniaxial gemstone can be found with a polariscope that has a conoscope lens and, on occasion, with a refractometer.

How can you tell amethyst from ametrine?

Ametrine’s color split is rather abrupt and is not a smooth blend of colors. Both the violet and yellow colors found in ametrine are from traces of iron. The only difference between amethyst, citrine and ametrine is the level of oxidized iron impurities in the visible color-zone bands.

What does ametrine look like?

Ametrine Information Gems can be cut to show a rosy gold, mauve, and champagne or peach color. Inert to weak fluorescent colors, blueish or greenish (LW, SW). Amethyst-color sections may show pleochroism like amethysts, weak to moderate purple/reddish purple.

What is ametrine stone?

The ametrine stone is golden yellow and purple, something that happens when citrine and amethyst stones come into contact to form one crystal. This also gives the stone its name, derived from AMEthyst and ciTRINE. It is also referred to as bolivianite, trystine, bicolor quartz, bicolor amethyst, and amethyst-citrine.

What is the difference between Amethyst and citrine?

The only chemical difference between Amethyst and Citrine is the oxidized state of the iron impurities. Naturally occurring Citrine is quite rare, which is the result of natural heat and pressure applied to Amethyst over a very long period of time.

Is Ametrine a type of gemstone?

The Gemstone Ametrine. Ametrine is a unique gemstone in that it is essentially combined of two separate gemstones. Although Amethyst, the purple variety of Quartz, and Citrine, the yellow/orange variety of Quartz belong to the same scientific mineral classification, they have always been distinguished as individual gemstones.

How do you make Ametrine?

To make Ametrine, an Amethyst gemstone is turned entirely into Citrine, a portion of the stone is exposed to beta radiation to make that section purple again. Ametrine contains the healing properties of both Amethyst and Citrine. Ametrine is a mix of both Ametrine and Citrine producing a mixture of purple and yellow/orange crystal colours.

What is the difference between natural amethyst and synthetic amethyst?

Natural amethyst has been used for personal adornment for at least 2000 years, while synthetic version is far newer, and not as common. As the member of the quartz family characterised by their distinctive purple colour, amethyst has a hardness of seven on the Mohs scale.