|DiamondonNet dictionary of common loose diamonds and diamond jewelry terms in the industry and their meanings. |
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|A volcanic rock formation in South Africa containing peridotite, in which diamonds are formed. It is named after the town of Kimberley in South Africa where an 83.5 carat diamond was discovered in in 1871. Kimberlite pipes are vertical structures in the Earths crust. Kimberlites are an important source of primary diamonds. Many kimberlite pipes also produce rich eluvial or alluvial diamond placer deposits but only 1 out of 200 kimberlite pipes contain gem quality diamonds.|