Mineralogy Database

Barahonaite-(Al) Mineral Data

Search Webmineral :
  

General Barahonaite-(Al) Information

Help on Chemical Formula: Chemical Formula: (Ca,Cu,Na,Fe+++,Al )12Al2(AsO4)8(OH,Cl)x•nH2O
Help on Composition: Composition: Molecular Weight = 2,052.55 gm
   Sodium       1.22 %  Na    1.65 % Na2O
   Calcium     11.23 %  Ca   15.71 % CaO
   Aluminum     5.05 %  Al    9.54 % Al2O3
   Iron         0.08 %  Fe    0.12 % Fe2O3
   Copper      11.67 %  Cu   14.61 % CuO
   Silicon      0.11 %  Si    0.23 % SiO2
   Arsenic     27.45 %  As   42.10 % As2O5
   Phosphorus   0.12 %  P     0.28 % P2O5
   Hydrogen     1.62 %  H    14.46 % H2O
   Sulfur       0.50 %  S     1.25 % SO3
   Chlorine     0.07 %  Cl    0.07 % Cl
                 -   %   Cl   -0.02 % -O=Cl2   
   Oxygen      40.88 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca5.75Cu3.77Na1.09Al1.84Fe3+0.03Al28(As0.94)8(S0.04)8(P0.01)8(O4)8(Si0.01)(OH)7.95Cl0.04�12.5(H2O)
Help on Environment: Environment: Occurs in a small lens of sulfides that have been completely oxidized to supergene minerals. Smolianinovite group (?)
Help on IMA Status: IMA Status: Approved IMA 2008 (Dana # Added)
Help on Locality: Locality: Dolores prospect, Pastrana, Murcia Province, Spain Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its relationship with barahonaite-(Fe).
Help on Synonym: Synonym: IMA2006-051