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Halfbreed

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Colour:Copper red and silver ...
Name:Derived from "Halfbreed", which is a derogatory American slang for a person whose parents are Caucasian and Native American. The general insolubility of silver and copper produces specimens containing intermixed white native silver and red native copper


A physical mixture of native silver and native copper (they have only limited miscibility at low-moderate temperatures, unlike silver and gold; see electrum). The insolubility of Copper and Silver produces specimens containing good examples of both minerals, often in epitaxy. Copper on Silver is more rare than Silver on Copper. Although halfbreed nuggets are more common, many on the market are produced in stamp mills or ball mills

Classification of Halfbreed

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Physical Properties of Halfbreed

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Copper red and silver white
Fracture:Hackly

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.

Internet Links for Halfbreed

Search Engines:
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  • Look for Halfbreed images on Google
  • Mineral Dealers:
  • Buy from McDougall Minerals
  • Halfbreed specimens for sale - minfind.com
  • High-end worldwide specimens & outstanding customer service
  • Fine minerals from bisbeeborn.com
  • Fine Minerals from Weinrich Minerals, Inc.
  • Buy minerals from YourMineralCollection
  • Wilensky Fine Minerals
  • Buy from David K Joyce minerals
  • Fabre Minerals - search for Halfbreed specimens
  • Buy fine minerals and gemstones from Pala International
  • Rare and Unusual minerals at Mineralogical Research Company
  • Search for Halfbreed on Well-Arranged Molecules
  • Localities for Halfbreed

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (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.
    USA
     
    • Michigan
      • Houghton Co.
        • Calumet Township
          • Calumet
    Mineralogy of Michigan (2004) Heinrich & Robinson
        • Hancock
        • Kearsarge
    RWMW specimen
      • Keweenaw Co.
        • Phoenix
    Mineralogy of Michigan (2004) Heinrich & Robinson
      • Ontonagon Co.
        • Mass City
          • Mass Consolidated Mine
        • Rockland
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: May 20, 2014 10:31:20
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    Updated Mineral Entry: AmesiteFrom Uwe Kolitsch, 1st Sep 2014 18:19:05