Farblose bis blaue, faserige, mikrokristalline Gefügevarietät des Minerals Quarz.
Microcrystalline often greyish form of quartz with crystals arranged in parallel fibres.
Pierre précieuse composée de quartz et de silice, généralement d'un blanc laiteux, à structure microcristalline fibreuse ou granulaire, compacte ou stalactitique.
Minerale costituito da una varietà criptocristallina di quarzo formata da aggregati di fibre microscopiche, che si presenta in masse stalattitiche e mammellonari, translucide e ceroidi.
2023-11-27T09:26:43.7550300Z
https://www.termdat.bk.admin.ch/entry/502426
Mineralienatlas - Fossilienatlas, Lexikon, "Quarz - Chalcedon" ([Internet, 2023-10-02](https://www.mineralienatlas.de/lexikon/index.php/Mineralienportrait/Quarz/Chalcedon))
Collins, English Dictionary, "chalcedony" ([Internet, 2023-10-02](https://www.collinsdictionary.com/dictionary/english/chalcedony))
CNRTL, Lexicographie, "calcédoine" ([Internet, 2023-10-02](https://www.cnrtl.fr/definition/Calc%C3%A9doine))
Treccani, Enciclopedia, "calcedonio" ([Internet, 2023-10-02](https://www.treccani.it/enciclopedia/calcedonio/))
USG: fachsprachlich; EXP: der rote bis orange Chalcedon wird als Karneol bezeichnet, der grüne als Chrysopras, der dunkelgrüne als Heliotrop, der schwarze als Onyx usw.
EXP: some of the well-known types of chalcedony include agate, carnelian, chrysoprase, onyx, sardonyx, jasper, bloodstone, and blue chalcedony
EXP: comportant de nombreuses variétés: calcédoine zonée (agate), calcédoine rouge (cornaline), calcédoine verte (chrysoprase)
EXP: si distinguono numerose varietà: corniola, agata, pietra focaia, ecc.
CNRTL, Lexicographie, "calcédoine" ([Internet, 2023-10-02](https://www.cnrtl.fr/definition/Calc%C3%A9doine))
Treccani, Enciclopedia, "calcedonio" ([Internet, 2023-10-02](https://www.treccani.it/enciclopedia/calcedonio/))
(USG) Duden, Wörterbuch, "Chalzedon" ([Internet, 2023-10-02](https://www.duden.de/rechtschreibung/Chalzedon)); (EXP) Edelsteine.net, Chalcedon ([Internet, 2023-10-02](https://www.edelsteine.net/chalcedon/))
Fierce Lynx Designs, Chalcedony and its Many Varieties, 2023 ([Internet, 2023-10-02](https://fiercelynxdesigns.com/blogs/articles/chalcedony-gemstone-information))
Collins, English Dictionary, "chalcedony" ([Internet, 2023-10-02](https://www.collinsdictionary.com/dictionary/english/chalcedony))
CNRTL, Lexicographie, "calcédoine" ([Internet, 2023-10-02](https://www.cnrtl.fr/definition/Calc%C3%A9doine))
Treccani, Enciclopedia, "calcedonio" ([Internet, 2023-10-02](https://www.treccani.it/enciclopedia/calcedonio/))
nach Mineralienatlas - Fossilienatlas, Lexikon, "Quarz - Chalcedon" ([Internet, 2023-10-02](https://www.mineralienatlas.de/lexikon/index.php/Mineralienportrait/Quarz/Chalcedon)) und Edelsteine.net, Chalcedon ([Internet, 2023-10-02](https://www.edelsteine.net/chalcedon/))