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Saponite Mineral Data
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General Saponite Information
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 Chemical Formula: |
(Ca/2,Na)0,3(Mg,Fe++)3(Si,Al)4O10(OH)2•4(H2O) |
| Composition: |
Molecular Weight = 480.19 gm |
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Sodium 0.48 % Na 0.65 % Na2O |
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Calcium 0.83 % Ca 1.17 % CaO |
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Magnesium 11.39 % Mg 18.89 % MgO |
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Aluminum 5.62 % Al 10.62 % Al2O3 |
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Iron 8.72 % Fe 11.22 % FeO |
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Silicon 17.55 % Si 37.54 % SiO2 |
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Hydrogen 2.10 % H 18.76 % H2O |
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Oxygen 53.31 % O |
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______ ______ |
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100.00 % 98.83 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.1Na0.1Mg2.25Fe2+0.75Si3AlO10(OH)2•4(H2O) |
| Environment: |
Amygdaloidal cavities in basalts. |
| IMA Status: |
Valid Species (Pre-IMA) 1758 |
| Locality: |
Lizard Head in Cornwall, England. Link to MinDat.org Location Data. |
| Name Origin: |
From the Latin, sapo meaning "soap.' |
| Name Pronunciation: |
Saponite  |
| Synonym: |
Griffithite-Ferroan |
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Piotine |
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Sobotkite - Al bearing |
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