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Tuesday, 18 September 2007

Earth Star diamond. This 111.59-carat coffee-brown pear-shaped dia­mond was cut from a 248.90-carat rough found in the Jagersfontein Mine, South africa, in 1967. It is


thought to be the largest brown dia­mond in the world and was exhi­bited along with many other notable Diamonds in the "De Beers Hall" of the mining museum in 1971.

East Oubangui. A diamond-producing region within the Central African Republic. Total annual pro­duction in recent years has been be­tween 30,000 and 50,000 carats. The producing companies are Societe Miniere du Intercoloniale (SMI), Societe Miniere du Zamza, and Societe Miniere de I'Est Ouban­gui (SMEO).

Ebenhauzer Mine. A minor diamond pipe mine in the Koffiefontein area, Orange Free State, Republic of South Africa.

eclogite (ek"-low-jite). A pyroxene-garnet rock that is sometimes found in the South African diamond pipes. It is possible that diamond crystal­lized originally in eclogite.

 
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