Mineralogy Database

Mbobomkulite Mineral Data

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General Mbobomkulite Information

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