Enargite

EnĀ·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 on http://www.encyclo.co.uk/webster/E/33

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 on http://www.mondofacto.com/facts/dictionary?enargite

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 on http://thinkexist.com/dictionary/meaning/enargite/

enargite

sulfosalt mineral, copper arsenic sulfide (Cu3AsS4), that is occasionally an important ore of copper. It occurs as heavy, metallic-gray crystals and ...
Found on http://www.britannica.com/eb/a-z/e/28

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 on http://www.probertencyclopaedia.com/browse/HE.HTM
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