hornstone

== English == === Etymology === From horn +‎ stone, translation of hornfels. === Noun === hornstone (countable and uncountable, plural hornstones) hornfels === Further reading === David Barthelmy (1997–2026), “Hornstone”, in Webmineral Mineralogy Database. “hornstone”, in Mindat.org‎[1], Hudson Institute of Mineralogy, 2000–2026. === Anagrams === nonothers