Chalcedonies definition

Chalcedonies





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1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Chalcedony \Chal*ced"o*ny\ (k[a^]l*s[e^]d"[-o]*n[y^] or
     k[a^]l"s[-e]*d[-o]*n[y^]; 277), n.; pl. {Chalcedonies}
     (-n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw`n Chalcedon, a
     town in Asia Minor, opposite to Byzantium: cf. calc['e]doine,
     OE. calcidoine, casidoyne. Cf. {Cassidony}.] (Min.)
     A cryptocrystalline, translucent variety of quartz, having


     usually a whitish color, and a luster nearly like wax.
     [Written also {calcedony}.]
     [1913 Webster]
  
     Note: When chalcedony is variegated with with spots or
           figures, or arranged in differently colored layers, it
           is called {agate}; and if by reason of the thickness,
           color, and arrangement of the layers it is suitable for
           being carved into cameos, it is called {onyx}.
           {Chrysoprase} is green chalcedony; {carnelian}, a flesh
           red, and {sard}, a brownish red variety.
           [1913 Webster]

















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