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onyx
[on-iks]
noun
Mineralogy.a variety of chalcedony having straight parallel bands of alternating colors.
(not used technically) an unbanded chalcedony dyed for ornamental purposes.
black, especially a pure or jet black.
The pelt of this animal can range from onyx to light brown, depending on the season.
Medicine/Medical.a nail of a finger or toe.
adjective
made of or set with banded chalcedony.
He wore the onyx cufflinks she had given him for his birthday.
black, especially jet black.
She was a vision in black, from her onyx hair to her shiny boots.
onyx
/ ˈɒɪ /
noun
a variety of chalcedony with alternating black and white parallel bands, used as a gemstone. Formula: SiO 2
a compact variety of calcite used as an ornamental stone; onyx marble. Formula: CaCO 3
onyx
A type of chalcedony that occurs in straight and parallel bands of different colors, often black and white.
51Թ History and Origins
Origin of onyx1
51Թ History and Origins
Origin of onyx1
Example Sentences
Arsenal charge more than £30,000-a-year to join the Diamond Club with heated seats, dining at an exclusive restaurant and an onyx bar for drinks.
For a home in Toronto, where she designed a shower for two people, she used book-matched slabs of onyx on the walls, “because they really wanted a wow factor.”
The onyx markings on their masks resemble various animals and creatures; each mask is unique.
Their wings are garbed with radiant pink, pearl, onyx and sulfur yellow scales, which birds and carnivorous insects can easily spot from a distance.
Mr. Ghaffarian, 66, sat at a table made of gently glowing white onyx, also from Iran.
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When To Use
Onyx is a gemstone that’s especially known for its opaque, all-black variety.Other varieties are black with with different-colored layers, including white.Onyx is commonly used in jewelry. Historically, onyx was popular as a material for cameos—engraved gems. Sometimes, it is dyed or artificially colored.Onyx is one of the birthstones for the month of July. It is associated with the zodiac sign Leo.The word onyx is also used to refer to a very deep black color (jet-black) or describe things that are that color.Example: In this ring, the sparkling diamonds are a perfect contrast to the jet-black onyx in the center.
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