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Name: |
magnetite |
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Class: |
Oxide/Hydroxides |
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Chemistry: |
Fe3O4 Iron Oxide |
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Color(s): |
Metallic, opaque, Streak: black |
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Hardness: |
5.5 - 6.5 |
SpecGrav: |
5.2 |
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Fracture: |
conchoidal |
Cleavage: |
incomplete |
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Crystal: |
Cubic (crystals are often octahedral) |
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Envronment: |
it occurs in many igneous rocks and is the most abundant metal oxide |
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Association: |
andradite,calcite |
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Locals: |
| France, Germany | Norway | Finland | Brazil | Michigan, Utah/USA | |
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Misc: |
The name comes from the the ancient name Magnesia, in Asia, an ancient region bordering on Macedonia. It is now in Turkey. |
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