Chemical Formula: NaZn(SO4)(OH)6Cl·6(H2O)
Help on Composition: Composition: Molecular Weight = 626.2 g
 
Hydrogen 2.90 % H 25.89 % H2O 0.00 %
Oxygen 40.88 % O 0.00 % 0.00 %
Sodium 3.67 % Na 4.95 % Na2O 0.00 %
Sulfur 5.12 % S 12.79 % SO3 0.00 %
Chlorine 5.66 % Cl 5.66 % Cl 0.00 %
Zinc 41.77 % Zn 51.99 % ZnO 0.00 %
100.00 % 101.28 %
 
Help on Empirical Formula: Empirical Formula: NaZn4(SO4)(OH)6Cl·6(H2O)
Help on Environment: Environment: In the oxidation zone of a hydrothermal vein deposit hosted by andesitic rocks
Help on Locality: Locality: The San Francisco mine, 2 km northeast of the Sierra Groda Railway Station, in the Sierra Gorda, northeast of Antofagasta, 2nd region, northern Chile.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality
Help on Synonym: Synonym: IMA1996-006