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

Home » Minerals » Pyrrhotite

Pyrrhotite


Mineral Properties and Uses



What is Pyrrhotite?



Pyrrhotite is an iron sulfide mineral found in basic igneous rocks, pegmatites, vein deposits, and contact metamorphic deposits. It is slighly magnetic.


Physical Properties of Pyrrhotite

Chemical Classification sulfide
Color bronze yellow, brownish bronze, reddish bronze
Streak dark grayish black
Luster metallic
Diaphaneity opaque
Cleavage none
Mohs Hardness 3.5 to 4.5
Specific Gravity 4.6 to 4.7
Diagnostic Properties color, magnetism
Chemical Composition iron sulfide, Fe1-xS
Crystal System monoclinic
Uses a very minor ore of iron


Uses of Pyrrhotite?



Pyrrhotite is mined primarily because it is associated with pentlandite, sulfide mineral that can contain significant amounts of nickel and cobalt.


Pyrrhotite
Pyrrhotite from Falconbridge, Ontario, Canada. Specimen is approximately 2-1/2 inches (6.4 centimeters) across.



Find it on Geology.com




More from Geology.com


Plate Tectonics
Plate Tectonics: Articles and maps about plate tectonics and the interior of Earth.
Gems from Space
Gems from Space A number of materials from space have been used as attractive gems.
Diamonds from Coal
Biggest Misconception: Lots of people think that diamonds form from coal. Not True!
Opal
Pictures of Opal: A collection of different types of opal from all around the world and Mars too!
shale gas
Shale Gas is natural gas trapped within shale. It is a growing source of US supply.
Diamonds
Diamonds: Learn about the properties of diamond, its many uses and diamond discoveries.
Sliding Rocks
Sliding Rocks Mystery: What causes these rocks to slide across a Death Valley playa?
city satellite images
What City is This? Can you recognize United States cities from satellite images?


Pyrrhotite
Pyrrhotite from Falconbridge, Ontario, Canada. Specimen is approximately 3 inches (7.6 centimeters) across.




Pyrrhotite
Nickeliferous pyrrhotite from Falconbridge, Ontario, Canada. Specimen is approximately 5 inches (12.7 centimeters) across.


More Minerals
  Minerals
  Diamonds Do Not Form From Coal
  Fluorescent Minerals
  Minerals in Colored Glass
  Quartz
  Mineral Identification Chart
  The Acid Test
  Corundum




© 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.