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Loose Green Tourmaline Oval Weight 3.90 Ct
Seller: changthailandgem
34.00 €
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Loose Green Tourmaline Oval Weight 3.90 Ct
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Loose Green Tourmaline Oval Weight 3.90 Ct - ChangThaiLandGemColor : Green
The name tourmaline comes from the Sinhalese word turmali, meaning mixed, due to a historical tendency for it to be confused and then mixed with other gem varieties. Legends and lore
The Dutch, aside from admiring tourmaline for its beauty, first discovered that this gem, like quartz, possessed a unique property, piezoelectricity. Tourmaline when heated or rubbed creates an electrical charge, becoming a magnet that attracts lightweight materials. A monarch particularly enchanted by tourmaline was the Empress Dowager Tz’u Hsi, the last Empress of China. She loved tourmaline so much, and was so wealthy, that she bought almost a ton of it from San Diego, California’s pegmatite district. Just the facts
Tourmaline crystals occur in granitic pegmatite veins occurring in the great gem mining districts of Minas Gerais in Brazil, San Diego County in the USA, and the East African countries of Kenya, Tanzania, Mozambique, Malawi and Madagascar and Nigeria. Tourmaline is a group of mineral species. However, it’s the mineral elbaite (named after the island of Elba near Italy’s west coast where it was discovered) that is responsible for almost all of tourmaline’s most famous gem varieties. When used, the name elbaite typically references green tourmaline, while the other colors of elbaite have their own specific color-related names. A bright yellow tourmaline from Zambia’s Lundazi area is termed canary tourmaline. Tourmaline very occasionally displays the cat’s eye effect. Chatoyancy or the cat’s eye effect is a reflection effect that appears as a single bright band of light across the surface of a gemstone. All tourmalines can display pleochroism, meaning that its color changes when viewed at different angles. However, this can vary from specimen to specimen. In some, this effect is hardly noticeable, while in others it is strongly apparent. To bring out the best color, gemstone cutters must take this into account when faceting tourmaline. Green tourmaline
Boasting a colorful and romantic history, tourmaline rivals all but the most unique gems as it is found in an incredible array of gorgeous colors. Coming in a palette of over 100 different hues, tourmaline is one of the world’s most diverse gemstones. This has resulted in the nickname “the chameleon gem,” which is doubly appropriate when you consider that one major source of tourmaline is Madagascar, home to more than half of the world’s chameleon species. The name tourmaline comes from the Sinhalese word turmali, meaning mixed, due to a historical tendency for it to be confused and then mixed with other gem varieties. Legends and lore
The Dutch, aside from admiring tourmaline for its beauty, first discovered that this gem, like quartz, possessed a unique property, piezoelectricity. Tourmaline when heated or rubbed creates an electrical charge, becoming a magnet that attracts lightweight materials. A monarch particularly enchanted by tourmaline was the Empress Dowager Tz’u Hsi, the last Empress of China. She loved tourmaline so much, and was so wealthy, that she bought almost a ton of it from San Diego, California’s pegmatit...
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natural green tourmaline,octagon green tourmaline,faceted tourmaline,green gemstones,4.75 Ct,gems
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