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Gemspedia >> Gems >> Introduction to Gemstones >> Green Amethyst

Green Amethyst



Green variety of quartz

Major Sources


Colors Found

Shades of green


Quartz: SiO2



Refractive Index

1.54–1.55; Uniaxial (+)

Specific Gravity


Crystal System



May be enhanced

Green amethyst can be a confusing gem as it is traded under a variety of names and is even sometimes mistaken for other gemstones such as peridot and tourmaline. The green variety of quartz, green amethyst is also known as vermarine, green quartz, and lime citrine or by its gemological name, prasiolite. Although reasonably affordable, it is unusual and remains a collector’s gemstone.

Mostly mined in Brazil, green amethyst’s gemological name is derived from the Greek words prason, meaning leek (due to its color similarities with the vegetable) and lithos, meaning stone.


Legends and lore

Green amethyst is believed by crystal healers to facilitate the gap between the physical and spiritual aspects of life, attracting prosperity through strengthening the mind, emotions and will.


Just the facts

Although quartz of sufficient beauty to be set into jewelry is not available in great abundance, quartz is found in many geological environments and is a component of almost every rock type. It is also the most varied in terms of varieties, colors and forms. Quartz gemstones are often separated into two groups based on the size of their individual crystals. Green amethyst is a macrocrystalline quartz (large crystal) and this group includes many popular gemstones such as amethyst, citrine and ametrine.


All forms of quartz are piezoelectric (when heated or rubbed they create an electrical charge becoming a magnet that attracts lightweight objects), making for important applications in electronics. Tourmaline is the only other gemstone that possesses this property.


With beautiful colors ranging from pastel to deep forest green, green amethyst is a tough gemstone, making it ideal for everyday wear.


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