1. 
   Enargite
   En·ar'gite noun (Min.) An iron-black mineral of metallic luster, occurring in small orthorhombic crystals, also massive. It contains sulphur, arsenic, copper, and often silver.
   Found op http://www.encyclo.co.uk/webster/E/33
   
   
2. 
   enargite
   <chemical> An iron-black mineral of metallic luster, occurring in small orthorhombic crystals, also massive. It contains sulphur, arsenic, copper, and often silver. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?enargite
   
   
3. 
   Enargite
   • (n.) An iron-black mineral of metallic luster, occurring in small orthorhombic crystals, also massive. It contains sulphur, arsenic, copper, and often silver.
   Found op http://thinkexist.com/dictionary/meaning/enargite/
   
   
4. 
   enargite
   sulfosalt mineral, copper arsenic sulfide (Cu3AsS4), that is occasionally an important ore of copper. It occurs as heavy, metallic-gray crystals and ...
   Found op http://www.britannica.com/eb/a-z/e/28
   
   
5. 
   Enargite
   Enargite is a copper arsenic sulfosalt mineral with formula: Cu3AsS4. It takes its name from the Greek word enarge, "distinct." Enargite is a steel gray, blackish gray, to violet black mineral with metallic luster. It forms slender orthorhombic prisms as well as massive aggregates. It has a hardnes...
   Found op http://en.wikipedia.org/wiki/Enargite
   
   
6. 
   Enargite
   Enargite is a relatively rare mineral found in vein and replacement deposits associated with pyrite, sphalerite, bornite, galena, chalcocite. It is used as an ore of copper. It has the formulae Cu3AsS4 and a relative hardness of 4.
   Found op http://www.probertencyclopaedia.com/browse/HE.HTM
   
   

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