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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

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

Other Information

Health Risks:
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

Localities for Halfbreed

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
Mineral and/or Locality  
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