chalcedony

名词 n.
中文释义

英文释义

名词 n.
  1. A form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally. countable,uncountable
    — Although there are dozens of different types of gems, among the best known and most important are […] . (Common gem materials not addressed in this article include amber, amethyst, chalcedony, garnet, lazurite, malachite, opals, peridot, rhodonite, spinel, tourmaline, turquoise and zircon.)

词形变化

chalcedonies plural

词源

Borrowed from Latin chalcēdōnius, from Ancient Greek χαλκηδόνιος (khalkēdónios), from Ancient Greek χαλκηδών (khalkēdṓn), cognate to Arabic كَرْكَنْد (karkand).
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