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After the first diamond was found in April 1908 by August Stauch near Grasplatz station, a diamond rush was triggered in German South West Africa. [8] In September 1908, [9] the German government created the Sperrgebiet in its colony in order to make its South West African enterprise profitable, giving sole rights for mining to the Deutsche Diamantengesellschaft ("German Diamond Company").
The Marange diamond fields are an area of widespread small-scale diamond production in Chiadzwa, Mutare District, Zimbabwe. 'Although estimates of the reserves contained in this area vary wildly, some have suggested that it could be home to one of the world's richest diamond deposits'. [ 1 ]
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%. C. ^ Mountain Province Diamonds owns 44%, De Beers Canada 51% and Camphor Ventures 4.9% D. ^ Pine Point and Port Radium are ghost ...
On 4 October 2006 the 120.6 grams (603 carats) white diamond, the Lesotho Promise was unearthed, which until the January 2018 discovery noted below was the largest reported find this century; at the time it was found it was the 15th largest diamond ever found. The stone is of an exceptional colour, rated D, the top colour for diamonds.
The equal-area projection that results from average of sinusoidal and Mollweide y-coordinates and thereby constraining the x coordinate. 1929 Craster parabolic =Putniņš P4: Pseudocylindrical Equal-area John Craster Meridians are parabolas. Standard parallels at 36°46′N/S; parallels are unequal in spacing and scale; 2:1 aspect. 1949
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 Williamson diamond mine is a large open pit mine currently about 90 meters (300 ft) deep. Diamond mining operations at the Williamson diamond mine are composed of four distinct activities: mining of the pit, re-treatment of tailings to recover missed diamonds, and gravel mining both on the property and adjacent to the property where gravel has been alluvially deposited.
Argyle diamond mine The open pit of the Argyle diamond mine. A large mining truck is visible on the road for scale. Location Argyle Diamond Mine Location in Australia Location Lake Argyle State Western Australia Country Australia Coordinates 16°42′44″S 128°23′51″E / 16.71222°S 128.39750°E / -16.71222; 128.39750 Production Products Diamonds History Opened 1985 Closed ...