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CHALCEDONY, or CALCEDONY (sometimes c...

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Originally appearing in Volume V05, Page 804 of the 1911 Encyclopedia Britannica.
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See also:

CHALCEDONY, or CALCEDONY (sometimes called by old writers cassidoine) , a variety of native See also:silica, often used as an ornamental See also:stone. The See also:present application of the See also:term is comparatively See also:modern. The " chalcedonius " of See also:Pliny was quite a different See also:mineral, being a See also:green stone from the See also:copper-mines of See also:Chalcedon, in See also:Asia See also:Minor, whence the name. There has been some confusion between chalcedony andthe See also:ancient "carcedonia," a stone which seems to have been a See also:carbuncle from See also:Africa, brought by way of See also:Carthage (KapXi6wv).

End of Article: CHALCEDONY, or CALCEDONY (sometimes called by old writers cassidoine)

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