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Nickelalumite Mineral Data
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General Nickelalumite Information
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 Chemical Formula: |
(Ni,Cu)Al4[(SO4),(NO3)2](OH)12•3(H2O) |
| Composition: |
Molecular Weight = 632.31 gm |
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Aluminum 17.07 % Al 32.25 % Al2O3 |
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Copper 3.01 % Cu 3.77 % CuO |
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Nickel 6.50 % Ni 8.27 % NiO |
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Hydrogen 2.87 % H 25.64 % H2O |
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Sulfur 7.61 % S 18.99 % SO3 |
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Nitrogen 2.22 % N 8.54 % N2O5 |
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Oxygen 60.73 % O |
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______ ______ |
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100.00 % 97.47 % = TOTAL OXIDE |
| Empirical Formula: |
Ni0.7Cu0.3Al4(SO4)1.5(NO3)(OH)12•3(H2O) |
| Environment: |
Crusts on gypsum crystals. |
| IMA Status: |
Not Approved IMA 1980 |
| Locality: |
Mbobo Mkulu cave, eastern Transvaal, South Africa. Link to MinDat.org Location Data. |
| Name Origin: |
Named in allusion to its composition. |
| Name Pronunciation: |
Nickelalumite + Pronunciation  |
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