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