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Mcnearite Mineral Data
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General Mcnearite Information
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 Chemical Formula: |
NaCa5H4(AsO4)5•4(H2O) |
| Composition: |
Molecular Weight = 994.07 gm |
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Sodium 2.31 % Na 3.12 % Na2O |
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Calcium 20.16 % Ca 28.21 % CaO |
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Arsenic 37.68 % As 57.80 % As2O5 |
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Hydrogen 1.22 % H 10.87 % H2O |
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Oxygen 38.63 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
NaCa5H4(AsO4)5•4(H2O) |
| IMA Status: |
Approved IMA 1981 |
| Locality: |
Ste.-Marie-aux-Mines, Vosges Mountains, Alsace, France. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Elizabeth McNear, mineralogist and crystallographer, University of Geneva, Switzerland. |
| Name Pronunciation: |
Mcnearite + Pronunciation  |
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