Chalcedony vs Onyx - What's the difference?
chalcedony | onyx |
A form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally.
*{{quote-magazine, date=2012-03
, author=Lee A. Groat
, title=Gemstones
, volume=100, issue=2, page=128
, magazine=(American Scientist)
(mineralogy) A banded variety of chalcedony, a cryptocrystalline form of quartz.
A jet-black color, named after the gemstone.
jet-black
* , Genesis, 2:12
* {{quote-book, year=1922, author=, title=“Piracy”: A Romantic Chronicle of These Days, chapter=3/7/2
, passage=There was no moon, only stars set brilliantly in the soft black onyx of the sky?: a black night and very silent on Cimiez?; and a black and silent prospect from the verandah
----
As nouns the difference between chalcedony and onyx
is that chalcedony is a form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally while onyx is a banded variety of chalcedony, a cryptocrystalline form of quartz.As an adjective onyx is
jet-black.chalcedony
English
Noun
(chalcedonies)citation, passage=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.)}}
See also
* (noun: types of minerals) agate, chert, flint, moganite * (adjective) conchoidal * (adverb) conchoidally * (noun) break, fracture, flake, shatter * (verb) knapp, break, fracture, flake, shatteronyx
English
(wikipedia onyx)Noun
Adjective
(-)- And the gold of that land is good: there is bdellium and the onyx stone.
citation