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chalcedony

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chalcedony


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  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}.] 
 
  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. 
 
  From  WordNet  r  1.6  [wn]: 
 
  chalcedony 
  n  :  a  milky  or  grayish  translucent  to  transparent  quartz  [syn:  {calcedony}] 
 
  From  Easton's  1897  Bible  Dictionary  [easton]: 
 
  Chalcedony 
  Mentioned  only  in  Rev.  21:19,  as  one  of  the  precious  stones  in 
  the  foundation  of  the  New  Jerusalem.  The  name  of  this  stone  is 
  derived  from  Chalcedon,  where  it  is  said  to  have  been  first 
  discovered.  In  modern  mineralogy  this  is  the  name  of  an 
  agate-like  quartz  of  a  bluish  colour.  Pliny  so  names  the  Indian 
  ruby.  The  mineral  intended  in  Revelation  is  probably  the  Hebrew 
  _nophekh_,  translated  emerald"  (Ex.  28:18;  39:11;  Ezek.  27:16; 
  28:13).  It  is  rendered  anthrax"  in  the  LXX.,  and  carbunculus" 
  in  the  Vulgate.  (See  {CARBUNCLE}.) 
 




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