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Mbobomkulite Mineral Data
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General Mbobomkulite Information
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Chemical Formula: |
(Ni,Cu)Al4(NO3,SO4)2(OH)12•3(H2O) |
Composition: |
Molecular Weight = 567.00 gm |
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Aluminum 19.03 % Al 35.96 % Al2O3 |
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Copper 2.80 % Cu 3.15 % Cu2O |
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Nickel 7.76 % Ni 9.88 % NiO |
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Hydrogen 3.20 % H 28.60 % H2O |
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Sulfur 2.83 % S 7.06 % SO3 |
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Nitrogen 3.71 % N 14.29 % N2O5 |
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Oxygen 60.67 % O |
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______ ______ |
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100.00 % 98.94 % = TOTAL OXIDE |
Empirical Formula: |
Ni0.75Cu0.25Al4(NO3)1.5(SO4)0.5(OH)12•3(H2O) |
Environment: |
Friable nodules in allophane after rapid dehydration from hydrombobomkulite. |
IMA Status: |
Approved IMA 1980 |
Locality: |
Mbobo Mkulu cave, Nelspruit district, South Africa. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Mbobomkulite + Pronunciation |
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