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	 Tinzenite Mineral Data 
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General Tinzenite  Information 
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  Chemical  Formula:  | 
(Ca,Mn,Fe)3Al2BO3Si4O12(OH)    | 
  Composition:  | 
Molecular Weight = 572.45 gm    | 
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 Calcium    12.60 %  Ca   17.63 % CaO  | 
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 Manganese   8.64 %  Mn   11.15 % MnO  | 
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 Aluminum    9.43 %  Al   17.81 % Al2O3  | 
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 Iron        2.93 %  Fe    3.77 % FeO  | 
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 Silicon    19.62 %  Si   41.98 % SiO2  | 
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 Boron       1.89 %  B     6.08 % B2O3  | 
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 Hydrogen    0.18 %  H     1.57 % H2O  | 
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 Oxygen     44.72 %  O  | 
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           ______        ______   | 
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           100.00 %      100.00 % = TOTAL OXIDE  | 
  Empirical Formula:  | 
Ca1.8Mn2+0.9Fe2+0.3Al2(BO3)Si4O12(OH)    | 
  Environment:  | 
Quartz veins in manganese deposits.    | 
  IMA Status:  | 
Valid Species (Pre-IMA) 1923    | 
  Locality:  | 
Tinzen, Val d'Err, Grisons, Switzerland Link to MinDat.org Location Data.  | 
  Name Origin:  | 
Named after its locality.    | 
  Name Pronunciation:  | 
 Tinzenite  + Pronunciation     | 
  Synonym:  | 
Axinite    | 
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ICSD 85086    | 
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PDF 6-444    | 
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