19.70 Ct Sparkling Color Natural Amethyst ~ Uruguay

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Item Information

Dimensions (mm) 22 x 13.1 x 10.6mm
Weight (carats) 19.7 carats
Colors
No Treatment

Amethyst is a well known mineral and gemstone. It is the purple variety of the mineral Quartz, and its most valuable and prized variety. Its name derives from the Greek “amethystos”, which means “not drunken”, as Amethyst in antiquity was thought to ward off drunkenness. The color of some Amethyst specimens from certain localities slowly fade upon prolonged exposure to light. When used as a gemstone, Amethyst is often heat treated to deepen the color, or to transform it into Citrine. Some varieties may also change to a light green color, which is given the trade name “Prasiolite”, or “Green Amethyst”, as it is more commonly known in the gem trade.

Amethyst is most prevalent as small stubby pyramidal crystals, although several localities such as the Mexican occurrences are well-known for producing elegantly tall prismatic crystals, which are very highly regarded by collectors. Amethyst also forms the internal lining of geodes, some of which can be over 10 feet tall and weighing several tons.

Item Description 

Name: Amethyst

Shape: oval

Clarity: VVS

Treatment: Natural


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Pricing & Details

Bid Increment $1
Starting Bid $200
Auction ID 1062738
Watchers 0 watching
Viewed 268 times
Starts 12th Mar 2020 4:30am PDT
Ends 16th Mar 2020 9:05pm PDT

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