hornstone
Americannoun
noun
Etymology
Origin of hornstone
1720–30; translation of German Hornstein
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The pebbles on the beach consist of quartz, red jasper, hornstone, and flinty slate, but do not contain any stone resembling chalk flint.
From Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836 Volume I. - Proceedings of the First Expedition, 1826-1830 by Robert Fitzroy
The porphyry has a compact basis, like hornstone, of a dull brown colour, which contains imbedded crystals of felspar and quartz, and occasionally of augite.
From Narrative of a Second Expedition to the Shores of the Polar Sea by John Franklin
Obsidian, hornstone, and several kinds of laminated feldspathic rocks, are associated with the trachyte.
From Volcanic Islands by Charles Darwin
Its edges, a little translucid, give it some resemblance to the hornstone, so common in secondary limestones.*
From Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 by Thomasina Ross
On the summit I found hornstone and granular felspar.
From Three Expeditions into the Interior of Eastern Australia, Volume 2 by Thomas Mitchell
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