chalcedony

noun

chal·​ce·​do·​ny kal-ˈse-də-nē 

chal-;

ˈkal-sə-ˌdō-nē 

ˈchal-,

-ˌdä-

plural chalcedonies

: a translucent variety of quartz of various colors and waxy luster

chalcedonic

ˌkal-sə-ˈdä-nik 

adjective

Examples of chalcedony in a Sentence

Recent Examples on the Web

Luminous 27, also showing at Paris Fashion Week for the first time presented voluminous gemstone rings luxuriously lined with gold, and oversized bead necklaces in combinations like chalcedony and amber. —Kate Matthams, Forbes, 16 Mar. 2025

Priced at 245 British pounds, her green chalcedony necklace, the color of dark moss, is an antidote to this summer’s Brat green. —Hikmat Mohammed, WWD, 13 Sep. 2024

Many pieces illustrate the ancient art of engraving on hardstones, such as onyx, sardonyx, cornelian, jasper and chalcedony. —Anthony Demarco, Forbes, 6 Sep. 2024

Bloodstone is a variety of chalcedony, usually dark green with splotches of red hematite. —Olivia Munson, USA TODAY, 20 Feb. 2024

Stones like malachite and chalcedony were especially popular in the house’s 1970s designs (the trademark long gold pendants are often studded with them, and the highly collectible zodiac charms featured them as backgrounds). —Stellene Volandes, Town & Country, 21 Aug. 2023

Others, like chrysoprase, green chalcedony, and malachite, are perhaps less so. —Stellene Volandes, Town & Country, 21 Aug. 2023

In addition to the green stones mentioned above, there are Van Cleef & Arpels designs crafted from chrysoprase and green chalcedony on exhibit. —Stellene Volandes, Town & Country, 8 June 2023

And in this particular Sous les Etoiles universe, a Céphéide necklace arrives in chalcedony and tsavorite, an outline of the sun in mauve sapphires and tanzanite, a Halley’s Comet in white and yellow diamonds, a lapis Milky Way, and a comet streaking rubies against the sky. —Stellene Volandes, Town & Country, 23 Mar. 2021

Word History

Etymology

Middle English calcedonie, a precious stone, from Anglo-French, from Late Latin chalcedonius, from Greek Chalkēdōn Chalcedon

First Known Use

13th century, in the meaning defined above

Rhymes for chalcedony

• abalone
• acrimony
• alimony
• antimony
• ceremony
• cicerone
• cosmogony
• eurozone
• lithopone
• macaroni
• matrimony
• naloxone

Kids Definition

chalcedony

noun

chal·​ced·​o·​ny

kal-ˈsed-ᵊn-ē,

ˈchal-sə-ˌdän-ē

plural chalcedonies

: a nearly transparent quartz of various colors and with waxy luster