calcedónia

== Portuguese == === Alternative forms === calcedônia (Brazil) === Etymology === From Latin chalcēdōnius, probably derived from the name of the town Chalcedon in Asia Minor. See also Calcedónia. === Pronunciation === Hyphenation: cal‧ce‧dó‧ni‧a === Noun === calcedónia f (plural calcedónias) (European Portuguese spelling) chalcedony (form of fine-grained quartz) === Further reading === “calcedónia”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026