bluestone

  1. Noun.  (UK) A form of dolerite which appears blue when wet or freshly broken.
  2. Noun.  (UK) Any of several massive stones used to construct Stonehenge.
  3. Noun.  (US) A feldspathic sandstone in the U.S.
  4. Noun.  (US) A form of limestone native to the Shenandoah Valley.
  5. Noun.  (Australia) A basalt or olivine basalt.
  6. Noun.  (Australia, South Australia) Slate from quarries in or near Adelaide.

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This entry was last updated on RefTopia from its source on 3/20/2012.