chalcedony
/kælˈsɛd.ə.ni/ noun
Forms chalcedonies
- noun A form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally.
Synonyms
Etymology
Borrowed from Latin chalcēdōnius, from Ancient Greek χαλκηδόνιος (khalkēdónios), from Ancient Greek χαλκηδών (khalkēdṓn), cognate to Arabic كَرْكَنْد (karkand).
Webster’s 1913
- noun A cryptocrystalline, translucent variety of quartz, having usually a whitish color, and a luster nearly like wax. [Written also calcedony.]
Etymology [L. chalcedonius, fr. Gr. calcédoine, OE. calcidoine, casidoyne. Cf. Cassidony.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “chalcedony”, CC BY-SA 4.0. Details