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Zincowoodwardite-3R Mineral Data
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General Zincowoodwardite-3R Information
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Chemical Formula: |
[Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)], 0.32 < x < 0.50, n = 0.59 |
Composition: |
Molecular Weight = 109.02 gm |
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Aluminum 8.17 % Al 15.43 % Al2O3 |
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Zinc 29.99 % Zn 37.33 % ZnO |
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Boron 3.27 % B 10.54 % B2O3 |
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Hydrogen 2.94 % H 26.27 % H2O |
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Sulfur 5.88 % S 14.69 % SO3 |
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Oxygen 49.75 % O |
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______ ______ |
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100.00 % 104.26 % = TOTAL OXIDE |
Empirical Formula: |
Zn0.5B0.33Al0.33(OH)2(SO4)0.2•0.59(H2O) |
Environment: |
A member of the hydrotalcite group; polytype 3R |
IMA Status: |
Approved IMA 1998 (Dana # Added) |
Locality: |
Laurion (Lavrion,Laurium), Greece. Link to MinDat.org Location Data. |
Name Origin: |
Named as the Zn analog of woodwardite. |
Synonym: |
IMA1998-026 |
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