Mineralogy Database

Buddingtonite Mineral Data

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General Buddingtonite Information

Help on Chemical  Formula: Chemical Formula: (NH4)AlSi3O8•0.5(H2O)
Help on Composition: Composition: Molecular Weight = 266.28 gm
   Aluminum  10.13 %  Al   19.15 % Al2O3
   Silicon   31.64 %  Si   67.69 % SiO2
   Hydrogen   1.51 %  H      -   % Calc as (NH4)2O
   Hydrogen   0.38 %  H     3.38 % H2O
   Nitrogen   5.26 %  N     9.78 % (NH4)2O
   Oxygen    51.07 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (NH4)Al(Si3O8)•0.5(H2O)
Help on Environment: Environment: Plagioclase altered by ammonium-bearing waters.
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: Sulfur Bank mine, end of east arm of clear Lake, Lake Co. California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Arthur Francis Buddington (1890-1980), American petrologist, Princeton University.
Help on Name Pronunciation: Name Pronunciation: Buddingtonite + Pronunciation Say BUDDINGTONITE