McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams

Home » Minerals » Chalcocite

Chalcocite


Mineral Properties and Uses



What is Chalcocite?



Chalcocite is an iron sulfide mineral and an important ore of copper. It is most commonly found as a supergene mineral in the enriched zones of sulfide deposits. It is also occurs in hydrothermal veins.


Physical Properties of Chalcocite

Chemical Classification sulfide
Color black, blackish lead gray
Streak grayish black
Luster metallic
Diaphaneity opaque
Cleavage poor
Mohs Hardness 2.5 to 3
Specific Gravity 5.5 to 5.8
Diagnostic Properties color, soft, sooty appearance
Chemical Composition copper sulfide, Cu2S
Crystal System monoclinic
Uses Used as an ore of copper



Find it on Geology.com




More from Geology.com


Deepest Lake in the World
Deepest Lake in the World: Lake Baikal in southern Russia is the deepest lake in the World.
Gold
Gold - An important metal for thousands of years - uses, prospecting, mining, production.
Shale
Shale: The rock that is quickly transforming the energy industry.
Ruby and Sapphire
Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.
Green River Formation
The Green River Formation is one of the most famous rock units in the world for its fossils.
K2 Granite - aka K2 Jasper
Azurite Granite ? A white granite with blue orbs of azurite. A new material from Pakistan.
Canadian Diamonds
Canadian Diamond Mines produce some of the largest and highest quality gems!
Take Great Cell Phone Photos
Take Great Cell Phone Photos - Low-cost, easy-to-use lenses will improve your photos.


Chalcocite
Chalcocite from Butte, Montana. This specimen is approximately 3 inches (7.6 centimeters) across.




Chalcocite
Chalcocite from Musina, South Africa. Specimen is approximately 1 inch (2.5 centimeters) across.


More Minerals
  Minerals
  Quartz
  Mineral Identification Chart
  Fluorescent Minerals
  Mohs Hardness Scale
  Corundum
  Find Minerals and Gems
  United States Gemstones




© 2005-2015 Geology.com. All Rights Reserved.
Images, code and content of this website are property of Geology.com. Use without permission is prohibited. Pages on this site are protected by Copyscape.