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sardonyx
[ sahr-don-iks, sahr-dn- ]
noun
- a chalcedony that is used for cameos and has sard and chalcedony of another color, usually white, arranged in straight parallel bands.
sardonyx
/ ˈsɑːdənɪks /
noun
- a variety of chalcedony with alternating reddish-brown and white parallel bands, used as a gemstone. Formula: SiO 2
Word History and Origins
Word History and Origins
Origin of sardonyx1
Example Sentences
Also on view will be the Hamilton family’s blackish-brown sardonyx bowl, believed to have been used by Charlemagne.
For example, the Treasure of Naix — eight gold necklaces accented with emerald, glass, amethyst, pearl and sardonyx — resembles pieces at Barneys and Cartier.
IV Afar There is something that seems a shore; The sky has been blown clean of clouds except to westward, And these stare hard at me, like huge sardonyx towers.
Then he answered me and said, 'These stars are of different tinctures; one is of the sapphire, the other of the sardonyx.
The Oriental sardonyx was not available for the purposes of the Renaissance artists, who were consequently obliged to content themselves with the colder German agate onyx.
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More About Sardonyx
What does sardonyx mean?
Sardonyx is an opaque (non-clear) gemstone that’s commonly reddish-brown with white layers.
Sardonyx is a variety of the mineral chalcedony, a kind of quartz.
The bands of sardonyx are formed by alternating layers of the minerals sard and onyx. The color of the sard portion can range from yellow-red to a reddish-brown. Because the onyx portion can be banded, it can be considered a type of agate.
Sardonyx is considered a semiprecious stone, a label given to stones that hold a lesser value than those considered precious.
Sardonyx is one of the birthstones for the month of August. It’s associated with the zodiac sign Leo.
Sardonyx is known for its use to create carved gems known as cameos.
Example: I wear this sardonyx cameo amulet because I was born in August.
Where does sardonyx come from?
The first records of the word sardonyx come from the 1300s. It comes from the Greek sardónyx or sardonux. Sard comes from the Greek sardios, meaning “stone from Sardis.” The word onyx comes from the Greek ónyx, meaning “nail,” “claw,” or “veined gem.”
Sardonyx is actually two combined forms of the silica mineral chalcedony: sard and onyx. The red tone of the stone is dependent on the amount of iron oxide.
Sardonyx has been used since ancient times, including by the ancient Romans, for signet rings, seals, and cameos.
Did you know … ?
What are some words that share a root or word element with sardonyx?
What are some words that often get used in discussing sardonyx?
How is sardonyx used in real life?
Sardonyx is known for its use in cameos and as one of the birthstones for the month of August.
The Farnese Cup, 2nd c. BC.
It is the largest existing cameo in the world and was probably designed for ritual libations rather than for banquets. It is a cameo cup made of sardonyx agate.
National Archaeological Museum, Naples. #AncientArt pic.twitter.com/j4AAIlbElu
— Digital Maps of the Ancient World (@DigitalMapsAW) March 13, 2021
Carnelians always bring an attention :-)
Carnelian and sardonyx beads with the amulet pendants: gold shields and one with an "eye stone" (banded agate, against the evil eye).
The shields we can see in jewelry #Roman times, as earrings, brooches or pendants. #PalmyraSimilarities pic.twitter.com/wkIi5sATIM— Maria Tatiana (@ColorsAndStones) January 27, 2021
#MineralMonday August's original birthstone is sardonyx. Its layers of sard and onyx create a reddish zebra-striped gemstone. Sardonyx has been popular throughout history, dating back to the Second Dynasty of Egypt over 4,000 years ago! pic.twitter.com/27ZMGALILO
— Britannia Museum (@BritanniaMine) August 27, 2018
Try using sardonyx!
True or False?
Sardoyx is a variety of the mineral chalcedony.
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