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Onyx vs Jadeite - What's the difference?

onyx | jadeite |

In mineralogy terms the difference between onyx and jadeite

is that onyx is a banded variety of chalcedony, a cryptocrystalline form of quartz while jadeite is a pyroxene mineral, a sodium aluminium silicate with the chemical formula Na(Al,Fe3+)Si2O6, found in metamorphic rocks.

As an adjective onyx

is jet-black.

onyx

English

(wikipedia onyx)

Noun

  • (mineralogy) A banded variety of chalcedony, a cryptocrystalline form of quartz.
  • A jet-black color, named after the gemstone.

    • Adjective

    (-)
  • jet-black
  • * , Genesis, 2:12
    • And the gold of that land is good: there is bdellium and the onyx stone.
  • * {{quote-book, year=1922, author=, title=“Piracy”: A Romantic Chronicle of These Days, chapter=3/7/2 citation
    • , 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

    See also

    * sardonyx

    References

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    jadeite

    English

    Noun

  • (mineralogy) A pyroxene mineral, a sodium aluminium silicate with the chemical formula Na]](Al,Fe3+)Si2[[oxygen, O6, found in metamorphic rocks.

    • See also

    * ("jadeite" on Wikipedia) * nephrite