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Definition of Hornstone
1. Noun. A fine-grained metamorphic rock formed by the action of heat on clay rocks.
Definition of Hornstone
1. n. A siliceous stone, a variety of quartz, closely resembling flint, but more brittle; -- called also chert.
Definition of Hornstone
1. Noun. hornfels ¹
¹ Source: wiktionary.com
Definition of Hornstone
1. [n -S]
Medical Definition of Hornstone
1.
Lexicographical Neighbors of Hornstone
Literary usage of Hornstone
Below you will find example usage of this term as found in modern and/or classical literature:
1. Elements of Chemical and Physical Geology by Gustav Bischof (1859)
"... into a very hard hornstone, where it is in contact with the mela- phyr dykes,
while, below Predazzo, the shelly limestone is slightly crystalline only ..."
2. What to Observe: Or, The Traveller's Remembrancer by Julian R. Jackson (1841)
"This must not be confounded with the Siliceous hornstone. This variety is hard,
wears down iron, but gives no sparks when struck with it; it is compact, ..."
3. The Imperial Gazetteer of India by William Wilson Hunter (1886)
"... the rocks are of a greenish hue, very boldly stratified, and probably of
hornstone slate. Mandhata was a seat of Siva-worship at an early age. ..."
4. Elements of Mineralogy by Richard Kirwan (1810)
"hornstone differs from jaspers, often by its splintery fracture; always by its
transparency though imperfect, and want of lustre ; from flints, ..."
5. Geology of Wisconsin: Survey of 1873-1879 by Wisconsin Chief Geologist (1880)
"... or black hornstone occurs in the Gogebic region [1437]. c. The banded, red,
ferruginous, ... hornstone ..."
6. The Boston Journal of Philosophy and the Arts by John White Webster, John Ware, Daniel Treadwell (1825)
"Cummington J Do. Argentine Williamsburg, j Anthophyllite* Blanford " I Mr Charles U.
Shep- lolite? Goshen " J Splintery hornstone Pelham " [ ard, Amherst. ..."