Where to Find Tourmaline: Best Environments
So, where do you find tourmaline in the United States? The best states where you can find tourmaline include Maine, Vermont, North Carolina, and South Carolina, but there are plenty of others. …
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New Paraiba araiba-type tourmaline from Mozambique …
Representative UV-Vis-NIR spectra of Tourmaline from new mine shows Cu-absorption around 600-1000 nm. The UV-Vis-NIR spectrum show clearly broad absorption at 680 nm and 900 nm (see Figure 2) which is interpreted to be the absorption due to copper and this pattern is perfectly match with the spectra of Paraiba-type tourmaline from ...
Mavuco, Mogovolas District, Nampula Province, Mozambique
The Paraíba-type tourmaline deposit is located near the eastern border of the Alto Ligonha pegmatite district, adjacent to the village of Mavuco in northeastern Mozambique. An …
Tourmaline and the Rich Legacy of Mining at Mount Mica
Mount Mica is located about a mile east of Paris in Oxford County. Gem-quality tourmaline was discovered there in 1821 and was intermittently produced through the late 1970s. A new phase of tourmaline mining began when Gary and Mary Freeman, owners and operators of Coromoto Minerals, LLC, acquired the Mount Mica property in 2003.
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Different Types of Tourmaline: A Guide to The Colorful …
There are many different types of tourmaline which occur in many different forms and with different characteristics. Here is a list of the different types of tourmaline.
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Tourmaline | Properties, Formation, Occurrence » Geology …
Tourmaline is a fascinating gemstone that is known for its wide range of colors and unique properties. It is a crystalline mineral composed of complex borosilicate compounds and belongs to the cyclosilicate mineral group.
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Tourmaline: Ultimate Guide To Tourmaline (What It Is and …
The most common method of mining Tourmaline is by digging or blasting vein sources. But collecting it at locations where the elements have been deposited is also a viable option. Tourmaline is a diverse stone by itself and presents many opportunities for those seeking to find it.
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A Complete Guide to Tourmalines – Precious Earth
Ceylon/Sri Lanka: The island of gems, Sri Lanka has a rich history of tourmaline mining. These tourmalines are known for their exceptional color purity, displaying a wide range of vibrant hues. Among the spectrum of colors found here, vibrant greens, mesmerizing pinks, and other captivating shades contribute to the island's …
What is Maine Tourmaline?
History of Maine Tourmaline. Tourmaline was first discovered in 1820 on Mt. Mica in Paris, Maine, ... There continues to be mining of Maine tourmaline to this day and the quality and quantity of these future explorations are unknown. All we can say is that tourmaline, especially Maine tourmaline, is one of the most spectacular gems that …
Tourmaline from Afghanistan (Ultimate Guide)
Laghman Mine contributes to Afghanistan's gemological legacy with a variety of tourmaline colors. From warm earth tones to vivid reds, these gems are a testament to the nation's geological abundance.
Mining Paraiba Tourmaline in Mozambique Africa
In this exclusive look into the Mozambique Mining of Paraiba Tourmaline, PUVAH's Founder and Gemologist takes a look at the operation on-site.
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M . MICA A RENAISSANCE IN MAINE S G OURMALINE …
The Mt. Mica area in southwestern Maine has been mined for tourmaline and other pegmatite gems since the 1820s. Most tourmaline production occurred during the late 1800s to the 1910s, with occasional finds made from the 1960s to 1990s. Since May 2004, a new mining venture has produced gem- and specimen-quality tourmaline in a variety …
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The Path to Paraiba Winds Through Mozambique
The key 300-hectare paraiba tourmaline mine is near Nampula, in the Alto Lingonha area (red dot #1 on the map). To see Mozambique in the context of African mineral localities, …
Copper-bearing (Paraíba-type) tourmaline from Mozambique
This selection of larger rough—some with evidence of striations—was taken from a 1 kg parcel of unheated Cu-bearing tourmaline seen in Nampula. Photo by J. C. Zwaan. MINING The Cu-bearing tourmaline recovered thus far comes from an approximately 3 km2 area near Mavuco (figure 10).
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Tourmaline from Pakistan (Ultimate Guide)
Mining Tourmaline in Pakistan is a careful process that combines traditional and modern techniques. Miners in regions like Gilgit-Baltistan use hand tools to carefully extract the mineral from pegmatite veins and hydrothermal deposits, preserving their integrity.
Copper-Bearing (Paraíba-Type) Tourmaline from …
Copper-bearing tourmaline, in bright blue-to-green hues, is one of the most sought-after colored stones in the gem market. Soon after its discovery in Brazil's Paraíba State in …
Tourmalines of Erongo, Namibia | Le Gemmologue
So when the opportunity arose to go to Namibia to visit their mine of origin, it was a "yes" without hesitation. Neon blue tourmaline from the Usakos mine in Namibia, from the pocket discovered in 2005. These …
Copper-bearing (Paraíba-type) Tourmaline from Mozambique
The Mavuco (or Chalaua) mine in the Alto Ligonha pegmatitic district, Mozambique, is the world's largest known deposit of Cu-bearing tourmaline and the …
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Mozambique Tourmaline Gemstones
Natural Tourmaline from Mozambique. Moussa was trading in aquamarine rough, which was mined in the province of Zambezia in Central Mozambique, when he decided to …
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