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A variety of peridotite forming pipes in which diamonds and garnets are often found.
[After Kimberley, a city in central South Africa where several kimberlite pipes mined for large diamonds are found.]
kim′ber·lit′ic (-lĭt′ĭk) adj.
(Minerals) an intrusive igneous rock generated at great depth in the earth's mantle and consisting largely of olivine and phlogopite. It often contains diamonds
[C19: from Kimberley + -ite1]