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hornstone
[ hawrn-stohn ]
noun
, Archaic.
- a variety of quartz resembling flint.
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Word History and Origins
Origin of hornstone1
1720–30; translation of German Hornstein
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Word History and Origins
Origin of hornstone1
C17: translation of German Hornstein; so called from its appearance
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Example Sentences
Dark grey porphyritic hornstone, approaching to compact felspar, with imbedded crystals of felspar.
From Project Gutenberg
I also picked up a detached mass of argillaceous oxide of iron, and some fragments of striped hornstone.
From Project Gutenberg
About ten miles north of this point, the upper calcareous, or surface rock, embraces nodules of hornstone.
From Project Gutenberg
The occurrence of a hard variety of hornstone, which is not flint, is apparently confined to the compact, fetid variety.
From Project Gutenberg
Among the rubbish of the diggings, fragments of hornstone occur.
From Project Gutenberg
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