chalcocite

[ kal-kuh-sahyt ]

/ ˈkæl kəˌsaɪt /

noun

a common mineral, cuprous sulfide, Cu2S: an important ore of copper.

Origin of chalcocite

1865–70; irregular chalco- + (anthra)cite

Words nearby chalcocite

chalcidfly, Chalcidice, chalcidicum, Chalcis, chalco-, chalcocite, chalcogen, chalcogenide, chalcography, chalcolite, Chalcolithic

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for chalcocite

In the United Verde Mine, oxidizing conditions at present prevail to the bottom of the chalcocite zone.
The Economic Aspect of Geology|C. K. Leith
The streak will serve to identify any specimen, however, it being a lead-gray of much lighter shade than that of chalcocite.
Birds and all Nature Vol VII, No. 3, March 1900|Various
Chalcocite occurs in vein deposits as one of the important copper ores, especially at Butte, Montana.
Geology|William J. Miller
No traces of other primary minerals are present and the chalcocite here is regarded as probably primary.
The Economic Aspect of Geology|C. K. Leith

Copper pyrites (or yellow ore), erubescite (or purple ore), and chalcocite (or grey ore) are the most important.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer

British Dictionary definitions for chalcocite

chalcocite

/ (ˈkælkəˌsaɪt) /

noun

a lead-grey or black mineral, found as a copper ore or in veins. It is a source of copper. Composition: copper sulphide. Formula: Cu 2 S. Crystal structure: orthorhombic

Word Origin for chalcocite

C19: changed from earlier chalcosine, from Greek khalkos copper + -ite 1

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	chalcocite
释义	chalcocite [ kal-kuh-sahyt ] / ˈkæl kəˌsaɪt / noun a common mineral, cuprous sulfide, Cu2S: an important ore of copper. Origin of chalcocite 1865–70; irregular chalco- + (anthra)cite Words nearby chalcocite chalcidfly, Chalcidice, chalcidicum, Chalcis, chalco-, chalcocite, chalcogen, chalcogenide, chalcography, chalcolite, Chalcolithic Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for chalcocite In the United Verde Mine, oxidizing conditions at present prevail to the bottom of the chalcocite zone. The Economic Aspect of Geology\|C. K. Leith The streak will serve to identify any specimen, however, it being a lead-gray of much lighter shade than that of chalcocite. Birds and all Nature Vol VII, No. 3, March 1900\|Various Chalcocite occurs in vein deposits as one of the important copper ores, especially at Butte, Montana. Geology\|William J. Miller No traces of other primary minerals are present and the chalcocite here is regarded as probably primary. The Economic Aspect of Geology\|C. K. Leith Copper pyrites (or yellow ore), erubescite (or purple ore), and chalcocite (or grey ore) are the most important. A Textbook of Assaying: For the Use of Those Connected with Mines.\|Cornelius Beringer and John Jacob Beringer British Dictionary definitions for chalcocite chalcocite / (ˈkælkəˌsaɪt) / noun a lead-grey or black mineral, found as a copper ore or in veins. It is a source of copper. Composition: copper sulphide. Formula: Cu 2 S. Crystal structure: orthorhombic Word Origin for chalcocite C19: changed from earlier chalcosine, from Greek khalkos copper + -ite 1 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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