Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A variety of peridotite forming pipes in which diamonds and garnets are often found.

from The Century Dictionary.

  • noun In petrography, a dense porphyritic peridotite, occurring at Kimberley, South Africa, partly serpentinized with phenocrysts of olivin and with a few of biotite, bronzite, ilmenite, perovskite, and pyrope.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun geology A variety of peridotite containing a high proportion of carbon dioxide; often contains diamonds.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a rare type of peridotite that sometimes contains diamonds; found in South Africa and Siberia

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[After Kimberley, a city in central South Africa where several kimberlite pipes mined for large diamonds are found.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Based on the name of the South African town of Kimberley where the mineral was first found.

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