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Hydrombobomkulite Mineral Data
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General Hydrombobomkulite Information
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 Chemical Formula: |
(Ni,Cu)Al4(NO3,SO4)2(OH)12•14(H2O) |
| Composition: |
Molecular Weight = 765.17 gm |
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Aluminum 14.10 % Al 26.65 % Al2O3 |
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Copper 2.08 % Cu 2.60 % CuO |
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Nickel 5.75 % Ni 7.32 % NiO |
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Hydrogen 5.27 % H 47.09 % H2O |
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Sulfur 2.10 % S 5.23 % SO3 |
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Nitrogen 2.75 % N 10.59 % N2O5 |
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Oxygen 67.96 % O |
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______ ______ |
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100.00 % 99.48 % = TOTAL OXIDE |
| Empirical Formula: |
Ni0.75Cu0.25Al4(NO3)1.5(SO4)0.5(OH)12•14(H2O) |
| Environment: |
Friable nodules in allophane before rapid dehydration to mbobomkulite. |
| IMA Status: |
Approved IMA 1980 |
| Locality: |
Mbobo Mkulu cave, Nelspruit district, South Africa. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the hydrated version of mbobomkulite. |
| Name Pronunciation: |
Hydrombobomkulite + Pronunciation  |
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