|Diamond Manufacturers' Association|
|Written by Administrator|
|Tuesday, 18 September 2007|
diamond Manufacturers' Association. The official organization of diamond manufacturers in England.
Diamond Manufacturers' Association of Puerto Rico. An organization of diamond-cutting ffrms in Puerto Rico.
Diamond Mining & Utility (S.W.A.), Ltd. The firm that holds the alluvial diamond-mining concession along the coast of South-West africa adjacent to that of Consolidated Diamond Mines of South-West Africa, Ltd. It extends north from 26° south latitude to the Tropic of Capricorn. The concession is worked by Industrial Diamonds of South Africa (1945), Ltd. See south-west africa. diamond mortar. A small steel mortar used for pulverizing diamond for industrial applications. A simple type of mortar consists of a cylindrical steel block with a hollow insert of hardened steel into which fits a pestle with a rounded end, the diamond dust being prevented from escaping along the sides by a rubber sealing ring. Automatic mechanical mortars are used in larger crushing operations.
Diamond News and S.A. Jeweller, The. A monthly trade journal that
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