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Keystone Mine, Magnolia District, Boulder Co., Colorado, USA

Ref.: (in part): Dana 6: 11, 980; Dana 7:I:594. A gold mine.





Mineral List:
  		•  Calaverite
  		• Coloradoite (TL)
  		• Gold
  		• Keystoneite (TL)
  		• Magnolite (TL)
  		• Melonite
  		• Mercury
  		• Paratellurite
  		• Pyrite
  		• Quartz
  		• Roscoelite
  		• Silver
    var: Amalgam
  		• Stibnite
  		• Sylvanite
  		• Tellurite
  		• Tellurium


    16 entries listed. 15 valid minerals. 3 type localities (valid minerals).

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon & Ida Ralph 1993-2008. Jobs in Colorado, USA 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.