What is another word for chalcedony?
Pronunciation: [t͡ʃalsˈɛdənɪ] (IPA) 
Chalcedony is a mineral that is often used in various jewelry pieces. Some of the synonyms for chalcedony include agate, carnelian, onyx, jasper, and sard. Agate is a type of chalcedony that is usually banded and multicolored. Carnelian is a reddish-brown type of chalcedony that is often used to make beads and cabochons. Onyx, another type of chalcedony, is usually black or white and is often used for cameos and intaglios. Jasper is a type of chalcedony that is often red, brown, or yellow and is used for carvings and cabochons. Lastly, sard is a brownish-red type of chalcedony that is often used for carving and engraving.
