Mineralogy Database

Willhendersonite Mineral Data

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General Willhendersonite Information

Help on Chemical  Formula: Chemical Formula: KCaAl3Si3O12•5(H2O)
Help on Composition: Composition: Molecular Weight = 526.45 gm
   Potassium   7.43 %  K     8.95 % K2O
   Calcium     7.61 %  Ca   10.65 % CaO
   Aluminum   15.38 %  Al   29.05 % Al2O3
   Silicon    16.00 %  Si   34.24 % SiO2
   Hydrogen    1.91 %  H    17.11 % H2O
   Oxygen     51.67 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KCaAl3Si3O12•5(H2O)
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: San Venanzo quarry, Terni, Umbria, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after William A. Henderson, of Stamford, Connecticut, U.S.A., who noted this as an unusual mineral and provided it for study.
Help on Name Pronunciation: Name Pronunciation: Willhendersonite + Pronunciation Say WILLHENDERSONITE
Help on Synonym: Synonym: ICSD 30873
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