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sideritemore about siderite

siderite


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Siderite  \Sid"er*ite\,  n.  [L.  sideritis  loadstone,  Gr  ????, 
  ????,  of  iron,  from  ????  iron.] 
  1.  (Min.) 
  a  Carbonate  of  iron,  an  important  ore  of  iron  occuring 
  generally  in  cleavable  masses,  but  also  in 
  rhombohedral  crystals.  It  is  of  a  light  yellowish 
  brown  color.  Called  also  {sparry  iron},  {spathic 
  iron}. 
  b  A  meteorite  consisting  solely  of  metallic  iron. 
  c  An  indigo-blue  variety  of  quartz. 
  d  Formerly,  magnetic  iron  ore,  or  loadstone. 
 
  2.  (Bot.)  Any  plant  of  the  genus  {Sideritis};  ironwort. 
 
  From  WordNet  r  1.6  [wn]: 
 
  siderite 
  n  1:  iron  ore  in  the  form  of  ferrous  carbonate  [syn:  {chalybite}] 
  2:  a  meteorite  consisting  principally  of  metallic  iron 




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