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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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Word of the Day
honeyguide
  • Any of various tropical Old World birds of the family Indicatoridae, some species of which lead people or animals to the nests of wild honeybees. The birds eat the wax and larvae that remain after the nest has been destroyed for its honey.
Honeyguide birds have even been known to eat candles.