Prasiolite - Green Quartz #IT-1759

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Product Overview

Loose Genuine Natural Prasiolite Gemstone!

A 1.68 carat mint Green Prasiolite!  Custom concave faceted into an Oval design.  Prasiolite, is also a green quartz. This gem has also been called Green Amethyst though it is actually Prasiolite - Green Quartz. This Prasiolite is a perfect gem for a unique jewelry piece such as a ring or a pendant!

Prasiolite or vermarine is a green-colored form of quartz, usually produced by artificially heat-treating amethyst. Since 1950, almost all has come from one small mine in Brazil.

Prasiolite (or praziolite) is a light to medium green variety of quartz. It gets its name from the Greek words "prason" meaning "leek" (the vegetable of this color) and "lithos" meaning "stone." It is sometimes mistaken for peridot or green tourmaline and often referred to as GREEN AMETHYST. It is found, in increasingly smaller quantities, in Brazil and the U.S. (Arizona). It ranks a durable 7 on Mohs' hardness scale.

What is Concave Faceting?

The Concave cut is three dimensional; where as the traditional flat faceted cut gemstones are two dimensional. The concave cut not only has facets in the length and width of the gemstone but also has conical shaped facets to create more depth. This third dimension further refracts the light as more ambient light, thus returning it to the eye as more brilliance in the gemstone. A two dimensional gemstone will need light to show its brilliance, a Concave cut gemstone will reflect the smallest amount of light. The gem will return to the eye, brilliance from even a small single candle that has been lit in a darkened room.

Beauty is in the eye of the beholder, some people prefer the traditional faceted design over the innovative Concave faceted gems. They like the more classic look of a traditional faceted gemstone.

Some of the disadvantages of Concave cutting are that darker gems like Ruby, tend too look less attractive when Concave cut, the gems turning out murky and less attractive. There is also a higher weight loss than in traditional faceting and Concave faceting requires more labor resulting in a much higher cost to the finished gemstone.

Wonderful addition to your gemstone collection if you seek the more UNIQUE gemstone.

Species / Variety: Quartz /Prasiolite (Green Quartz)
Country Brazil
Color: medium Green
Carat Weight: 1.68 cts.
Shape / Cut: Custom faceted Oval
Size: 9.1 X  7.1 MM  Depth: 5.1 MM
Clarity: Very Very Good
Treatment: Heat

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