Chemical Formula:
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(Mn,Mg)(Al,Fe+++)2O4 |
Composition:
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Molecular Weight = 172.72 g |
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Oxygen |
37.05 % |
O |
0.00 % |
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0.00 % |
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Magnesium |
1.41 % |
Mg |
2.33 % |
MgO |
0.00 % |
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Aluminum |
29.68 % |
Al |
56.08 % |
Al2O3 |
0.00 % |
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Manganese |
28.63 % |
Mn |
36.96 % |
MnO |
0.00 % |
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Iron |
3.23 % |
Fe |
4.62 % |
Fe2O3 |
0.00 % |
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100.00 % |
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99.99 % |
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Empirical Formula:
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Mn2+0.9Mg0.1Al1.9Fe3+0.1O4 |
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Environment:
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In carbonate-rich, silica undersaturated parts of metamorphosed manganese deposit |
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Locality:
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Bald Knob near the town of Galax, Alleghany co., North Carolina, USA.. Link to
MinDat.org
Location Data.
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Name Origin:
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Named after its location |
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Synonym:
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