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cuprite
cuprite (red copper ore) Mineral, Cu2O; sp. gr. 5.8–6.1; hardness 3.5–4.0 cubic; red to nearly black; brownish-red streak; adamantine to sub-metallic lustre; crystals usually octahedral and acicular, but can be granular and rhombododecahedral; cleavage poor {111}; usually occurs in the oxidized zone of copper deposits, as a secondary mineral, and associated with malachite and azurite. It is a minor ore mineral for copper.
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Cite this article
AILSA ALLABY and MICHAEL ALLABY. "cuprite." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "cuprite." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O13-cuprite.html AILSA ALLABY and MICHAEL ALLABY. "cuprite." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-cuprite.html |
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cuprite
cuprite Reddish-brown, brittle, translucent oxide mineral, cuprous oxide (Cu2O). Formed by the oxidation of other ores, such as copper sulphide, it is an important source of copper.
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Cite this article
"cuprite." World Encyclopedia. 2005. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. "cuprite." World Encyclopedia. 2005. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O142-cuprite.html "cuprite." World Encyclopedia. 2005. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-cuprite.html |
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