Difference between revisions of "Pyrrhotite"

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magnetic pyrite
 
magnetic pyrite
  
== Other Properties ==
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== Physical and Chemical Properties ==
  
 
Luster = metallic.  Streak = grayish-black.  Magnetic.  Tarnish = dark brown
 
Luster = metallic.  Streak = grayish-black.  Magnetic.  Tarnish = dark brown
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== Additional Information ==
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==Resources and Citations==
  
Mineralogy Database: [http://www.webmineral.com/data/Pyrrhotite.shtml Pyrrhotite]
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* Mineralogy Database: [http://www.webmineral.com/data/Pyrrhotite.shtml Pyrrhotite]
 
 
== Sources Checked for Data in Record ==
 
  
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 541
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 541
  
* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "pyrrhotite" Encyclopædia Britannica [Accessed December 11, 2001]...
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* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "pyrrhotite" [Accessed December 11, 2001]...
  
 
* C.W.Chesterman, K.E.Lowe, ''Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf, New York, 1979
 
* C.W.Chesterman, K.E.Lowe, ''Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf, New York, 1979

Revision as of 12:32, 1 September 2020

Pyrrhotite

Description

A bronze-like mineral composed of iron sulfide. Pyrrhotite is slightly magnetic and tarnishes with time. It occurs near pyrite (Iron disulfide), Chaclopyrite, or Magnetite deposits. Pyrrhotite has been found in Rumania (Kisbanya), Austria, Italy (Trentino), Germany (Saxony, Bavaria, Andreas-Berg), Switzerland, Norway (Kongsberg), Sweden, Brazil, Canada (Bristish Columbia, Ontario), Mexico (Chihuahua) and the U.S. (Maine, Connecticut, New York, Pennsylvania, Tennessee, California).

Synonyms and Related Terms

magnetic pyrite

Physical and Chemical Properties

Luster = metallic. Streak = grayish-black. Magnetic. Tarnish = dark brown

Composition Fe(1-x)Sx e.g., Fe5S6
Mohs Hardness 3.5 - 4.5
Density 4.58-4.64

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 541
  • C.W.Chesterman, K.E.Lowe, Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf, New York, 1979
  • Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976

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