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Chrome Dravite Tourmaline, Commander Mine, Nadonjukin, Simanjiro Dist., Manyara Region, Tanzania, miniature, 4.1 x 1.2 x 1.2 cm, These green Tourmalines from the Commander Mine in Tanzania get their bright green color from trace amounts of vanadium, possibly with a small amount of chromium (see Mineralogical Record, Vol. 40, Number 5 …

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The stratabound polymorph Loulo gold deposits and occurrences were discovered in sedimentary rocks of the Early Proterozoic Birimian Formation, in the Kéniéba region of SW Mali. Early work showed reserves in the Loulo-0 and Loulo-3 deposits of 28 t of gold in ore averaging 4.43 g/t Au, to depths of 140 m; recent drilling has found mineralization to at …

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Morrison and friends open the pocket and immediately extract teal tourmaline, one of several colors of the gem found in Maine. "Some of our finds are not huge, but the color …

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It is in this place where there is the largest Paraiba Tourmaline mine on the planet. More info! #BRAZILPARAIBAMINE FOLLOW OUR NEWS! Our Instagram. PARAIBA TOURMALINE One of the rarest gems in the world. In the 1980's, the discovery of a deep and bright blue stone changed the history forever.

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Pour une aventure plus immersive, un voyage dans une mine de tourmaline se dessine comme une expérience inoubliable. Imaginez-vous un entrain de faire un voyage souterrain en explorant les entrailles de la terre, découvrant les origines fascinantes de cette pierre précieuse et se liant davantage à la beauté naturelle de votre amour.

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Une pierre découverte dans la mine de Pederneira en 2011 était suffisamment unique pour justifier son propre nom, « The Great Divide », et a été évaluée à 1,2 million de dollars. ... Des pierres gemmes de tourmaline ont été extraites en Amérique du Nord et du Sud, dans le Maine et en Californie au nord et au Brésil au sud, au ...

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2. Nuristan Mine. Located in the heart of Nuristan, this mine offers an array of tourmaline colors, from deep blues to vivid greens. Its gems capture the essence of the region's rich geological diversity, embodying Afghanistan's hidden treasures. 3. Kunar Mine . Kunar Mine is renowned for its vibrant pink tourmalines.

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ⓘ Urubu mine [var. Rubellite] [MinRec 12:74] Taquaral ⓘ Ilha claim; White, J., 1990, Zoned Eosphorite from Lavra da Ilha, Taquaral District, Minas Gerais, Brazil, Mineralogical Record 21, 418-422. Piauí valley ⓘ Arqueana pegmatite; Larson, B. (2004): What's New in Minerals. Sainte-Marie aux Mines Show 2003. Mineralogical Record. 35 (2 ...

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High Grade Tourmaline Ore Available by mail! $100 per bucket plus $40 shipping Chris Rose (775) 772-7724 Denise Olson (775) 225-4245 . Tourmaline Mining. Himalaya Mine c/o/ Lake Henshaw Resort 26439 Hwy 76 Santa Ysabel, CA 92070 info @ high desert gems and minerals . com. Chris Rose (775) 772-7724 Denise Olson (775) 225-4245

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Maine's state gemstone, tourmaline is the most valuable of the more than 200 mineral varieties found in the state's granite pegmatites. The opening of a promising mineral pocket at Havey Quarry. Our Other Brands: ... He quotes West Paris mining legend Frank Perham: "If you want to make $1 million from mining, start with $2 million." ...

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Welcome to the Pala Chief Mine! Located in beautiful Pala, California the Pala Chief is one of the oldest gem mines in San Diego County, and is one of the only historic mines still being actively worked in the hunt for American gemstones. ... The deposits here were discovered in May 1903, and the mine produced large amounts of tourmaline, most ...

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In its most active 15 years, it produced more tourmaline than any other tourmaline mine in the world, including 5.5 tons in 1904 alone (the most tourmaline ever produced in a year). ... ASARCO Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru – photograph from Rob Lavinsky, iRocks ...

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Several names were given to the new mineral including "Pierre de Ceylan", by Lemery in 1717. Tourmalin, as a more or less specific mineral name, was used by Rinmann in 1766. ... Yamaura J, Oyama T, Ohnishi M, Shimobayashi N (2014) Adachiite, a Si-poor member of the tourmaline supergroup from the Kiura mine, Oita Prefecture, Japan Journal of ...

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All over the world, only five mines produce this rarity: three of them in Brazil – the largest in activity in the state of Rio Grande do Norte, Brazil Paraiba Mine – and two in Africa, with no records of its presence anywhere else place, fact that makes this gem even more special and coveted. ... Tourmaline Paraiba: Rarity and beauty found ...

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Neto, E. Swoboda, R. de Vasconcelos, and C, de Vasconcelos. The Benson Latin American Collection at the University of Texas (Austin) also provided useful information. ... blue-green tourmaline from the Pirineus mine is among the best ever found in Brazil, but only 50 lzg Gem Peg~natites of Minas Gerais total of the finest cutting material was ...

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The Gadais family has been producing high quality Muscadet for five generations. With their entire estate dedicated to Melon de Bourgogne – the appellation's star grape variety – they're true specialists. So it's no surprise that their wines have gained international recognition. This expression is made with 30-year-old vines, and it's spent time on …

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It also raised tourmaline's profile on the gem market, Pride explains. "Most people couldn't even pronounce the word tourmaline," he says. "Every once in a while, they'd find a little bit here, a little bit there, but nothing to get really excited about. So it really wasn't on jewelers' radars or on the general public's much.

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Tourmaline Sources. Brazil has been the world's leading source of tourmaline for nearly 500 years. In the 1500s Portuguese explorers obtained green and blue tourmaline from indigenous people and from panning streams in search of gold.They thought that these colorful stones were emeralds and sapphires and sent them back to Portugal, where …

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