hornstone


hornstone

hornstone [hawrn-stohn] EXAMPLES|WORD ORIGIN noun Archaic. a variety of quartz resembling flint. Liberaldictionary.com

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  • Origin of hornstone 1720–30; translation of German Hornstein Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for hornstone Historical Examples of hornstone

  • About ten miles north of this point, the upper calcareous, or surface rock, embraces nodules of hornstone.

    Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820

    Henry Rowe Schoolcraft

  • The occurrence of a hard variety of hornstone, which is not flint, is apparently confined to the compact, fetid variety.

    Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820

    Henry Rowe Schoolcraft

  • Among the rubbish of the diggings, fragments of hornstone occur.

    Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820

    Henry Rowe Schoolcraft

  • The shales become dense, highly crystalline rocks of a “hornstone” type, with porphyritic developments of silicate minerals.

    The Economic Aspect of Geology

    C. K. Leith

  • Another of the dikes of the north-east of Ireland has converted a mass of red sandstone into hornstone.

    A Manual of Elementary Geology

    Charles Lyell.

  • British Dictionary definitions for hornstone hornstone noun another name for chert, hornfels Word Origin for hornstone C17: translation of German Hornstein; so called from its appearance Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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