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This category is for mines for cardinal gems other than Diamond, ie amethyst, emerald, ruby & sapphire, and also opal mines (see Gemstone). Subcategories This category has the following 3 subcategories, out of 3 total.
Entrance to the Emerald Hollow Mine, located at Emerald Hollow Mine Drive, Hiddenite, NC Open stream where tourists search for gems. One of the major mines in the county is the Emerald Hollow Mine. This a public gem mine located in the Piedmont of North Carolina in Alexander County, specifically in the town of Hiddenite. [2]
Hiddenite Hiddenite. Hiddenite is a pale-to-emerald green variety of spodumene that is sometimes used as a gemstone.. The first specimens of the hiddenite variety of spodumene were recovered circa 1879 near the settlement of White Plains, west of Stony Point, Alexander County, North Carolina.
FURA Gems was established in 2017 by Dev Shetty with a focus on increasing the supply of ethically sourced color gemstones with traceability of the mine origin to end-consumers. [ 5 ] [ 1 ] The company's name is derived from an ancient Colombian legend about Fura and Tena, two human figures created by the Muisca god Are.
Placer mining is frequently used for precious metal deposits (particularly gold) and gemstones, both of which are often found in alluvial deposits—deposits of sand and gravel in modern or ancient stream beds, or occasionally glacial deposits. The metal or gemstones, having been moved by stream flow from an original source such as a vein, are ...
The Golconda diamondiferous region is located in the Southern Indian peninsular shield, [2] which was formed during the process of proterozoic and Insular India. [3] The region is spread over 50,000 km 2 (19,000 sq mi), within the sediments of the Krishna-Pennar river basin and Deccan Traps, [2] and contains 120 out of the 150 kimberlite pipes in India. [4]
Gemfields Group Ltd (formerly Pallinghurst Resources Limited) is a British mining company incorporated in Guernsey and headquartered in London, United Kingdom, and is a supplier of coloured gemstones. [5] The company specializes in the mining, processing and sale of coloured gemstones, in particular emeralds and rubies. The group sells rough ...
Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al 2 Si O 4 (F, OH) 2.It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange. [7]