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Halfbreed
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Keweenaw Co., Michigan, USA
© Simone Citon
| Colour: | Copper red and silver ... | ||
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| 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 | |
| mindat.org URL: | http://www.mindat.org/min-11390.html Please feel free to link to this page. |
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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 | |
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Localities for Halfbreed | |
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(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.
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