Mineralogy Database

Potassic-chlorohastingsite Mineral Data

Search Webmineral :
  

General Potassic-chlorohastingsite Information

Help on Chemical  Formula: Chemical Formula: (K,Na)Ca2(Fe++,Mg)4Fe+++[Si6Al2O22](Cl,OH)2
Help on Composition: Composition: Molecular Weight = 994.80 gm
   Potassium   2.36 %  K     2.84 % K2O
   Sodium      0.92 %  Na    1.25 % Na2O
   Calcium     8.06 %  Ca   11.27 % CaO
   Magnesium   2.44 %  Mg    4.05 % MgO
   Aluminum    5.42 %  Al   10.25 % Al2O3
   Iron       22.46 %  Fe   21.67 % FeO /  8.03 % Fe2O3
   Silicon    16.94 %  Si   36.24 % SiO2
   Hydrogen    0.06 %  H     0.54 % H2O
   Chlorine    4.99 %  Cl    4.99 % Cl
                -   %   Cl   -1.13 % -O=Cl2   
   Oxygen     36.35 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.6Na0.4Ca2Fe2+3MgFe3+(Si6Al2O22)Cl1.4(OH)0.6
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Dasshkesan Co-Fe deposit, Azerbaidzhan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its composition and for Hastings Co., Ontario, Canada..
Help on Synonym: Synonym: Chlorohastingsite-K
  Dashkesanite