Mineralogy Database

Natrochalcite Mineral Data

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General Natrochalcite Information

Help on Chemical  Formula: Chemical Formula: NaCu2(SO4)2(OH)•(H2O)
Help on Composition: Composition: Molecular Weight = 377.23 gm
   Sodium     6.09 %  Na    8.21 % Na2O
   Copper    33.69 %  Cu   37.93 % Cu2O
   Hydrogen   0.80 %  H     7.16 % H2O
   Sulfur    17.00 %  S    42.45 % SO3
   Oxygen    42.41 %  O
            ______        ______ 
            100.00 %       95.76 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCu2(SO4)2(OH)•(H2O)
Help on Environment: Environment: Secondary mineral in arid climates.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1908
Help on Locality: Locality: Chuquicamata, Antofagasta, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the compositon, NATRium (Na), and CHALCos, (Cu).
Help on Name Pronunciation: Name Pronunciation: Natrochalcite + Pronunciation Say NATROCHALCITE
Help on Synonym: Synonym: ICSD 73265
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