Mineralogy Database

Kellyite Mineral Data

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General Kellyite Information

Help on Chemical  Formula: Chemical Formula: (Mn++,Mg,Al)3(Si,Al)2O5(OH)4
Help on Composition: Composition: Molecular Weight = 323.85 gm
   Magnesium   7.51 %  Mg   12.45 % MgO
   Manganese  25.45 %  Mn   32.86 % MnO
   Aluminum    8.33 %  Al   15.74 % Al2O3
   Silicon    13.01 %  Si   27.83 % SiO2
   Hydrogen    1.24 %  H    11.13 % H2O
   Oxygen     44.46 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+1.5MgAl0.5Si1.5Al0.5O5(OH)4
Help on Environment: Environment: Metamorphic Mn deposit with other Mn-silicates.
Help on IMA Status: IMA Status: Approved IMA 1974
Help on Locality: Locality: Bald Knob, Sparta, Alleghany County, North Carolina, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for William Crowley Kelley (1929-), American geologist, University of Michigan.
Help on Name Pronunciation: Name Pronunciation: Kellyite Say KELLYITE