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Dürfeldtite

Formula:
Pb(Ag,Cu,Fe)MnSb
 
2
S
 
6
Colour:Light grayHardness:2½
Name:Named after Richard Dürfeld, Metallurgist.


Probably a mixture. Formula approximate.

Classification of Dürfeldtite

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Physical Properties of Dürfeldtite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Light gray
Hardness (Mohs):2½
Density (measured):5.4 g/cm3

Crystallography of Dürfeldtite

Morphology:Masses with indistinct fibrous structure.

Chemical Properties of Dürfeldtite

Formula:
Pb(Ag,Cu,Fe)MnSb
 
2
S
 
6
All elements listed in formula:Ag, Cu, Fe, Mn, Pb, S, Sb

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Dürfeldtite

Reference List:Raimondi (1878): 125.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 413.

Internet Links for Dürfeldtite

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    Localities for Dürfeldtite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Peru
     
    • Lima Department
      • Cajatambo Province
        • Auquimarca
    		Palache et al (1944), Dana's System of Min., seventh ed., vol. 1: 413-414.
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 8th Nov 2009 18:02:44