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Magnesiohulsite Mineral Data
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General Magnesiohulsite Information
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 Chemical Formula: |
(Mg,Fe++)2(Mg,Fe+++,Sn++++)O2(BO3) |
| Composition: |
Molecular Weight = 188.93 gm |
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Magnesium 30.87 % Mg 51.20 % MgO |
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Iron 14.78 % Fe 9.51 % FeO / 10.57 % Fe2O3 |
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Tin 6.28 % Sn 7.98 % SnO2 |
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Boron 5.72 % B 18.42 % B2O3 |
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Oxygen 42.34 % O |
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______ ______ |
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100.00 % 97.67 % = TOTAL OXIDE |
| Empirical Formula: |
Mg2.4Fe2+0.25Fe3+0.25Sn0.1O2(BO3) |
| IMA Status: |
Approved IMA 1985 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named for the composition and for Alfred Hulse Brooks (1871-1924), U. S. Geologist. |
| Name Pronunciation: |
Magnesiohulsite  |
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