description Prasiolite Overview
Prasiolite is a green variety of quartz, sometimes sold under the trade name green amethyst. Most material in jewelry is produced by heating selected amethyst or, in some cases, by treating other quartz, although naturally occurring green quartz has been documented at localities including the Thunder Bay area of Ontario, Brazil, and Poland. Its pale yellow-green to medium green color and quartz hardness make it suitable for faceted stones, cabochons, and mineral collections.
help Prasiolite FAQ
What is prasiolite?
Prasiolite is a green variety of quartz. It is sometimes sold under the trade name green amethyst.
How is most jewelry prasiolite produced?
Most prasiolite used in jewelry is produced by heating selected amethyst. Some material may also involve treatment of other quartz varieties.
Does naturally occurring prasiolite exist?
Yes. Naturally occurring green quartz has been documented at several localities, although much jewelry material is treated. The origin and treatment history can therefore matter to buyers.
Is prasiolite actually amethyst?
Prasiolite and amethyst are both varieties of quartz, but they have different colors. The name green amethyst is a trade term, not a separate mineral species.
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