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Crater of Diamonds State Park is a 911-acre (369 ha) Arkansas state park in Pike County, Arkansas, in the United States.The park features a 37.5-acre (15.2-hectare) plowed field, one of the few diamond-bearing sites accessible to the public.
The Kimberley Mine or Tim Kuilmine [1] (Afrikaans: Groot Gat) is an open-pit and underground mine in Kimberley, South Africa, and claimed to be the deepest hole excavated by hand, although this claim is disputed by Jagersfontein.
The Lighobong mine is one of the largest diamond mines in Lesotho and in the world. [1] The mine is located in the northern part of the country near the Maloti Mountains . [ 1 ] The mine has estimated reserves of 19 million carats of diamonds and an annual production capacity of 1 million carats.
The mine was opened in 1992 by Harry Oppenheimer, a former De Beers chairman. In 2004 the mine had 955 employees and recovered 7,187,300 carats (1437.5 kg) of diamonds from 5,871,000 metric tons of ore .In 2021 the mine will cease its opencast operation and move towards underground mining extending the life of the mine by a further 21 years up ...
A. ^ Harry Winston Diamond Mines owns 40% and Diavik Diamond Mines, which is 100% owned by the Rio Tinto, owns 60%. B. ^ Dominion Diamond Corporation owns 88.9% while Charles Fipke and Stewart Blusson each own 10%.
Diavik Diamond Mine is an industrial complex set in a remote, subarctic landscape. It consists of four kimberlite pipes associated with the Lac de Gras kimberlite field and is located on an island 20 km 2 (7.7 sq mi) in Lac de Gras informally known as East Island.
Small rough diamonds from Russia. Crystals are about 0.7 to 0.9 mm in size. There are a limited number of commercially available diamond mines currently operating in the world, with the 50 largest mines accounting for approximately 90% of global supply. [1]
At the time the sixth-largest diamond ever found in North America, it was described as "almost flawless" and estimated to be worth $250,000. [3] [15] In 1996 the largest diamond found at the mine was discovered. Named the "Colorado Diamond," it was a 28.3-carat (5.66 g) yellow stone and the fifth-largest diamond found in North America.