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  • NCDEQ - Bulletins - North Carolina

    Corundum and the basic magnesian rocks of western North Carolina. North Carolina Geological Survey: Raleigh. Not Available: Bulletin 10 : Nitze and Wilkens. 1897. Gold mining in North Carolina and adjacent South Appalachians regions. North Carolina Geological Survey: Raleigh. Not Available: Bulletin 9

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  • Mineral Resources | Western North Carolina Vitality Index

    The North Carolina mining and mineral industry has over 800 active permitted mines, annual sales in excess of $800 million, and an estimated employment of over 100,000 (including service and ancillary organizations). Garnet and Corundum. the U.S. Environmental Protection Agency placed the Ore Knob mine in Ashe County on the national

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  • Mineral Gallery from North Carolina in Online Mineral

    Corundum var. Sapphire: from Corundum Hill Mine, Franklin District, Macon County, North Carolina Corundum var. Sapphire from Grimshawes Mine, Jackson County, North Carolina Eakerite from Foote Mine, Kings Mt., Cleveland County, North Carolina (Type Locality for Eakerite)

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  • Indalco Alloys | Aluminum Manufacturers

    Customers have been choosing Indalco Alloys' aluminum wire products for the past 25 years. Why? Because they know that our innovative products and services have put Indalco at the forefront of the aluminum industry.

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  • Corundum: Use as a Gemstone, Abrasive, Refractory

    Corundum crystals: Photos of three corundum crystals. On the left is a common corundum from Transvaal, South Africa, that is about 6 centimeters in height. In the center is a gem-quality ruby corundum from Karnataka, India, that is about 1.6 centimeters in height.

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  • Corundum - Wikipedia

    Corundum is a crystalline form of aluminium oxide (Al 2 O 3) typically containing traces of iron, titanium, vanadium and chromium. It is a rock-forming mineral.It is also a naturally transparent material, but can have different colors depending on the presence of transition metal impurities in its crystalline structure. Corundum has two primary gem varieties: ruby and sapphire.

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  • GEM STONE RESOURCES OF SOUTH CAROLINA

    Hiddenite Mining Company which operated in North Carolina between 1880-1888. Prior discoveries, suchas tourmaline in Maine (1820) and sapphire in Montana (1865), were operated in only a desultory manner. In the 1890's ratherextensive mining operations were begun at a

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  • Where can you find corundum? - Answers

    Corundum is found in stream and beach sands because of its resistance to weathering. It is mined in Zimbabwe, Russia, Sri Lanka and India as well as North Carolina and Ontario.

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  • Geology of Corundum and Emerald Gem Deposits | Gems &

    Jan 31, 2020· The second period of corundum formation was the Pan-African orogeny (750–450 Ma). This includes primary ruby and sapphire deposits in the gemstone belt of East Africa, Madagascar, India, and Sri Lanka that are linked to collisional processes between eastern and western Gondwana (figure 2) during Pan-African tectonic-metamorphic events (Kröner, 1984).

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  • GEMS AND GEM MINERALS OF NORTH CAROLINA*

    Many of the other corundum localities in North Carolina contain corundum of a deep blue color, but are not sufficiently transparent to be of value for gem purposes. Another interesting variety of sapphire corundum occurring at the Corundum Hill Mine is a banded blue and white corundum. One gem was cut from this banded material which made rather an

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  • McRocks - Western North Carolina and Southeastern United

    A web site devoted mainly to western North Carolina rocks, gems and minerals. Take a picture tour of numerous rock and mineral collecting sites and see examples of rocks and minerals to be found in the Blue Ridge Mountains of western North Carolina. Take slideshow tours

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  • Corundum Stone Mill Gems And Gem Minerals Of Nort

    North Carolina At the Corundum Hill mine, Cullasagee, N.C. (see description, p. 117), various shades of ruby-gem corundum have been found. Two of the best rubies of good color that have ever been found at this mine are in Clarence S. Bement's collection. There are also a number of fine ones in the United States National Museum at Washington.

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  • Gem & Mineral Identification | Treasure Quest Mining

    Gem quality natural citrine can be found in North Carolina. Red Jasper – This fine grained stone contains the iron ore, hematite, which gives it the deep brick-red color. Found in many colors, the stone is typically named for its color or pattern. corundum. When found as red corundum, it is called ruby. Every other color, including

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  • Corundum Hill Prospect Near Franklin, North Carolina | The

    The Corundum Hill Prospect is near Franklin, North Carolina. Historically the site has been associated with the Ellijay Area which is now part of the Nantahala National Forest. The site was first discovered in

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  • No place like home: Unearthing North American rubies

    Dec 03, 2019· George Frederick Kunz, a mineralogist and former vice-president of Tiffany and Co., wrote about North Carolina ruby in his 1907 book titled, History of the Gems Found in North Carolina. The first systematic mining was undertaken in 1871 by C. W. Jenks when he opened the corundum mine on Corundum Hill near Franklin, Macon County, in southwestern

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  • STRATEGIC MINERALS INVESTIGATIONS 1945

    UNITED STATES DEPARTMENT OF THE INTERIOR Oscar L. Chapman, Secretary GEOLOGICAL SURVEY W. E. Wrather, Director Bulletin 948 STRATEGIC MINERALS INVESTIGATIONS 1945

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  • Mineral Gallery from North Carolina in Online Mineral

    Corundum var. Sapphire: from Corundum Hill Mine, Franklin District, Macon County, North Carolina Corundum var. Sapphire from Grimshawes Mine, Jackson County, North Carolina Eakerite from Foote Mine, Kings Mt., Cleveland County, North Carolina (Type Locality for Eakerite)

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  • Peridotites and Corundum

    Corundum and the Basic Magnesian Rocks of Western North Caro- lina. By J. VOLNEY LEwIS. Bulletin, North Carolina Geologi- cal Survey, No. ii, 1896. Corundum and the Peridotites of Western North Carolina. By JOSEPH HYDE PRATT and JOSEPH VOLNEY LEWIS. Reports, North Carolina Geological Survey, Vol. I, 1906.

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  • North Carolina Rubies (Propst Farm) - YouTube

    Jul 07, 2018· Here's a little short video i made on the Propst Farm in Lincoln county, North Carolina. The Propst farm is know for its corundum. You can also find things like kyanite, quartz, and mica.

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  • Full text of "The minerals and mineral localities of North

    Full text of "The minerals and mineral localities of North Carolina, being chapter I, of the second volume of the Geology of North Carolina" See other formats

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corundum ore in north carolina

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