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