chal·ced·o·ny also cal·ced·o·ny (k l-s d n- )n. pl. chal·ced·o·nies also cal·ced·o·nies A translucent to transparent milky or grayish quartz with distinctive microscopic crystals arranged in slender fibers in parallel bands. [Late Latin chalc donius, from Greek khalkd n, a mystical stone (Revelation 21:19), perhaps from Khalkdn, Chalcedon.]chal  ce·donic (kls -d nk) adj. |
chalcedony [kælˈsɛdənɪ]
n pl -nies
(Earth Sciences / Minerals) a microcrystalline often greyish form of quartz with crystals arranged in parallel fibres: a gemstone. Formula: SiO2
[from Late Latin chalcēdōnius, from Greek khalkēdōn a precious stone (Revelation 21:19), perhaps named after Khalkēdōn Chalcedon, town in Asia Minor]
chalcedonic [ˌkælsɪˈdɒnɪk] adj
| chalcedony (kl-sdn-) A type of quartz that has a waxy luster and varies from transparent to translucent. It is usually white, pale-blue, gray, brown, or black and is often found as a lining in cavities. Agate, flint, and onyx are forms of chalcedony. Chemical formula: SiO2. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | chalcedony - a milky or greyish translucent to transparent quartz quartz - a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities agate - an impure form of quartz consisting of banded chalcedony; used as a gemstone and for making mortars and pestles bloodstone, heliotrope - green chalcedony with red spots that resemble blood chrysoprase - a green variety of chalcedony valued as a gemstone onyx - a chalcedony with alternating black and white bands; used in making cameos plasma - a green slightly translucent variety of chalcedony used as a gemstone transparent gem - a gemstone having the property of transmitting light without serious diffusion |
Translations
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