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Text File  |  1992-09-04  |  182b  |  7 lines
  1. Copper ore is any mineral from which copper
  2. is extracted, including native copper, 
  3. chalcocite, chalcopyrite, bornite, azurite,
  4. malachite and chrysocolla. 
  5.  
  6. Subject by: Mervin Dykes
  7.