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 Point in the Ocean
Deepest Point in the Ocean: The deepest point in the ocean is in the Mariana Trench.
Santa Maria Volcano
Santa Maria: A volcano in Guatemala. Produced one of the largest eruptions of the 1900s.
Tanzanite
Tanzanite was unknown until a few decades ago but it has erupted into wide popularity.
city satellite images
What City is This? Can you recognize United States cities from satellite images?
Gemstones
Gemstones: Fantastic images and articles about colored stones and diamonds.
Facts About Copper
Facts About Copper: Information about copper uses, production, resources and more.
Rock Kits
Rock Kits: for classroom and personal use. A great way to learn about rocks.
Pumice
Pumice is a rock formed during explosive volcanic eruptions. It has a wide variety of uses.


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
  Rhodonite
  Fluorescent Minerals
  Quartz
  Diamond
  Mineral Identification Chart
  Find Minerals and Gems
  Mohs Hardness Scale




© 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.