Mineralogy Database

Hollandite Mineral Data

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General Hollandite Information

Help on Chemical  Formula: Chemical Formula: Ba(Mn++++,Mn++)8O16
Help on Composition: Composition: Molecular Weight = 852.99 gm
   Barium     12.88 %  Ba   14.38 % BaO
   Sodium      0.27 %  Na    0.36 % Na2O
   Manganese  42.51 %  Mn    4.16 % MnO / 62.17 % MnO2
   Aluminum    0.63 %  Al    1.20 % Al2O3
   Iron        8.51 %  Fe   12.17 % Fe2O3
   Silicon     0.33 %  Si    0.70 % SiO2
   Lead        4.86 %  Pb    5.23 % PbO
   Oxygen     30.01 %  O
             ______        ______ 
             100.00 %      100.38 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba0.8Pb0.2Na0.1Mn4+6.1Fe3+1.3Mn2+0.5Al0.2Si0.1O16
Help on Environment: Environment: Primary mineral in contact metamorphism of manganese ores.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1906
Help on Locality: Locality: Manganese deposits of the Central Provinces of India. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Thomas Henry Holland (1868-1947), Director of the Indian Geologic Survey.
Help on Name Pronunciation: Name Pronunciation: Hollandite + Pronunciation Say HOLLANDITE
Help on Synonym: Synonym: ICSD 27240
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