Gil Certified 7.65 Carats Oval Cut Natural Blue Green Color Pariaba Tourmal

Item Information

Dimensions (mm) 12.26 x 11.39 x 7.73mm
Weight (carats) 7.65 carats
Colors
Certified Gemstone
No Treatment


Certified By IGL

Tourmaline ( /ˈtʊərməlɪn/, -/iːn/ TOOR-mə-lin, -⁠leen) is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors.

Brightly colored Ceylonese gem tourmalines were brought to Europe in great quantities by the Dutch East India Company to satisfy a demand for curiosities and gems. At the time,[when?] it was not realised that schorl and tourmaline were the same mineral, as it was only about 1703 that it was discovered that some colored gems were not zircons.[citation needed] Tourmaline was sometimes called the "Ceylonese Sri Lankan Magnet" because it could attract and then repel hot ashes due to its pyroelectric properties.[2][4]

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Pricing & Details

Auction ID 1038533
Watchers 1 watching
Viewed 92 times
Starts 22nd Oct 2019 10:14am PDT

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