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


Diamonds
Diamonds: Learn about the properties of diamond, its many uses and diamond discoveries.
Crater of Diamonds
You Can Be A Diamond Miner! At the Crater of Diamonds Mine you keep what you find.
Homeowners Insurance
Homeowners Insurance usually does not cover the most common geologic hazards.
Ticks
Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.
Tallest Mountain
Tallest Mountain: Everest has rivals in tallness, altitude and distance to the center of Earth.
city satellite images
What City is This? Can you recognize United States cities from satellite images?
volcanic explosivity index
Volcanic Explosivity: Learn about some of the most explosive volcanic eruptions.
uses of gold
The Many Uses of Gold: Unique properties make gold one of the most useful metals.


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
  Fluorescent Minerals
  Mineral Identification Chart
  Mohs Hardness Scale
  Find Minerals and Gems
  Gold
  Quartz
  Kyanite




© 2005-2014 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.