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	 Zincowoodwardite-3R Mineral Data  |  |  | 
   
| General Zincowoodwardite-3R  Information  | 
|  Chemical  Formula: | [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)], 0.32 < x < 0.50, n = 0.59 | 
|  Composition: | Molecular Weight = 109.02 gm | 
|  | Aluminum   8.17 %  Al   15.43 % Al2O3 | 
|  | Zinc      29.99 %  Zn   37.33 % ZnO | 
|  | Boron      3.27 %  B    10.54 % B2O3 | 
|  | Hydrogen   2.94 %  H    26.27 % H2O | 
|  | Sulfur     5.88 %  S    14.69 % SO3 | 
|  | Oxygen    49.75 %  O | 
|  | ______        ______ | 
|  | 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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