Mineralogy Database

Hydrowoodwardite Mineral Data

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General Hydrowoodwardite Information

Help on Chemical  Formula: Chemical Formula: Cu1-xAlx(OH)2(SO4)x/2•n(H2O) with 0 < x < 0.67 and n > 3x/2
Help on Composition: Composition: Molecular Weight = 116.81 gm
   Aluminum  11.55 %  Al   21.82 % Al2O3
   Copper    27.20 %  Cu   30.63 % Cu2O
   Hydrogen   3.02 %  H    26.99 % H2O
   Sulfur     6.86 %  S    17.14 % SO3
   Oxygen    51.37 %  O
            ______        ______ 
            100.00 %       96.58 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu0.5Al0.5(OH)2(SO4)0.25•0.75(H2O)
Help on Environment: Environment: Member of the Hydrotalcite group. The copper dominant analog of carrboydite and glaucocerinite.
Help on IMA Status: IMA Status: Approved IMA 1996 (Dana # Added)
Help on Locality: Locality: St. Briccius Cu, Ag, Sn mine, K´┐Żnigswalde, near Annaberg, Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the higher hydrated analogue of woodwardite.
Help on Synonym: Synonym: IMA1996-038