Mineralogy Database

Durangite Mineral Data

Search Webmineral :
  

General Durangite Information

Help on Chemical Formula: Chemical Formula: NaAl(AsO4)F
Help on Composition: Composition: Molecular Weight = 207.89 gm
   Sodium    11.06 %  Na   14.91 % Na2O
   Aluminum  12.98 %  Al   24.52 % Al2O3
   Arsenic   36.04 %  As   55.28 % As2O5
   Oxygen    30.78 %  O
   Fluorine   9.14 %  F     9.14 % F
               -   %   F    -3.85 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaAl(AsO4)F
Help on Environment: Environment: Veins in alkalic rhyolite and tin placers derived therefrom. Forms two series, with maxwellite and with tilasite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1869
Help on Locality: Locality: Barranca tin mine, about 30 km northeast of Coneto de Comonfort, Durango, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for th locality.
Help on Name Pronunciation: Name Pronunciation: Durangite + Pronunciation Say DURANGITE
Help on Synonym: Synonym: ICSD 30205
  PDF 36-424