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Latest Chalcocite Stories

2008-10-08 09:00:34

VANCOUVER, BRITISH COLUMBIA and LIMA, PERU--(Marketwire - Oct. 8, 2008) - Panoro Minerals Ltd.

2008-10-06 06:00:29

Aurelio Resource Corporation (OTCBB: AULO)(Frankfurt: F3RA) is pleased to report that it has repaid in full the $1.5 million aggregate principal amount of the 10% Convertible Debentures issued in February 2008 (the "Debentures") and due in June 2009.

2008-09-18 09:00:34

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Sept. 18, 2008) - Apoquindo Minerals Inc.

2008-08-13 21:00:21

SHREVEPORT, La., Aug. 13, 2008 (PRIME NEWSWIRE) -- International Star, Inc. (I-Star) today provided additional details of the results obtained during recent mineral exploration activities on its Detrital Wash claim block in Mohave County, Arizona.

2008-08-12 09:01:18

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Aug. 12, 2008) - Condor Resources Inc. ("Condor" or the "Company") (TSX VENTURE:CN) is extremely pleased to report on encouraging progress made at its 100% owned Brahma project in Chile.

2008-07-17 03:00:29

By Carlson, Shawn M Elder, Mark J Mineral connoisseurs regard Michigan's Copper Country as a mecca for world-class specimens of crystallized copper and silver. Lapidary enthusiasts prefer the area's unique cutting rough, including Lake Superior agate, datolite, and greenstone (pumpellyite).

2008-07-09 09:00:45

VANCOUVER, BRITISH COLUMBIA--(Marketwire - July 9, 2008) - Peregrine Diamonds Ltd. (TSX:PGD) and Peregrine Metals Ltd. - Peregrine Metals Ltd.


Latest Chalcocite Reference Libraries

28_5f496c15049ba89cd8c43810810e311e
2005-05-26 11:32:33

Chalcocite, copper(I) sulfide (Cu2S), is an important copper mineral ore. It is opaque, being colored dark-gray to black with a metallic luster. It has a hardness of 2½ - 3. It is a sulfide with an orthorhombic crystal system. Chalcocite is sometimes found as a primary vein mineral in hydrothermal veins. However, most chalcocite occurs in the supergene enriched environment below the oxidation zone of copper deposits as a result of the leaching of copper from the oxidized minerals. It is...

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