Mineralogy Database

Heidornite Mineral Data

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General Heidornite Information

Help on Chemical Formula: Chemical Formula: Na2Ca3B5O8(SO4)2Cl(OH)2
Help on Composition: Composition: Molecular Weight = 609.85 gm
   Sodium     7.54 %  Na   10.16 % Na2O
   Calcium   19.72 %  Ca   27.59 % CaO
   Boron      8.86 %  B    28.54 % B2O3
   Hydrogen   0.33 %  H     2.95 % H2O
   Sulfur    10.52 %  S    26.26 % SO3
   Chlorine   5.81 %  Cl    5.81 % Cl
               -   %   Cl   -1.31 % -O=Cl2   
   Oxygen    47.22 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2Ca3B5O8(SO4)2Cl(OH)2
Help on Environment: Environment: Drill core at 1,968 m associated with glauberite in a cavity in the Upper Anhydrite zone.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1956
Help on Locality: Locality: Zechstein formation, on the German-Dutch border. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for F. Heidorn, German geologist who studied the Zechstein deposits.
Help on Name Pronunciation: Name Pronunciation: Heidornite + Pronunciation Say HEIDORNITE
Help on Synonym: Synonym: ICSD 24458
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