Mineralogy Database

Sampleite Mineral Data

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General Sampleite Information

Help on Chemical  Formula: Chemical Formula: NaCaCu5(PO4)4Cl•5(H2O)
Help on Composition: Composition: Molecular Weight = 875.95 gm
   Potassium    1.34 %  K     1.61 % K2O
   Sodium       2.36 %  Na    3.18 % Na2O
   Calcium      4.12 %  Ca    5.76 % CaO
   Magnesium    0.28 %  Mg    0.46 % MgO
   Copper      34.82 %  Cu   39.21 % Cu2O
   Phosphorus  14.14 %  P    32.41 % P2O5
   Hydrogen     1.08 %  H     9.67 % H2O
   Chlorine     4.05 %  Cl    4.05 % Cl
                 -   %   Cl   -0.91 % -O=Cl2   
   Oxygen      37.81 %  O
              ______        ______ 
              100.00 %       95.43 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.9K0.3Ca0.9Mg0.1Cu4.8(PO4)4Cl•4.7(H2O)
Help on Environment: Environment: Oxidized zone of copper deposits in arid climates. In caves derived from copper sulfides and phosphate from bat quano.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1942
Help on Locality: Locality: Antofagasta, Chuquicamata, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Mat Sample, mine superintendent, Chuquicamata, Chile.
Help on Name Pronunciation: Name Pronunciation: Sampleite + Pronunciation Say SAMPLEITE