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Charlesite Mineral Data
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General Charlesite Information
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 Chemical Formula: |
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O) |
| Composition: |
Molecular Weight = 1,234.40 gm |
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Calcium 19.48 % Ca 27.26 % CaO |
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Aluminum 3.28 % Al 6.19 % Al2O3 |
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Silicon 1.14 % Si 2.43 % SiO2 |
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Boron 0.88 % B 2.82 % B2O3 |
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Hydrogen 5.23 % H 46.70 % H2O |
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Sulfur 5.20 % S 12.97 % SO3 |
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Oxygen 64.81 % O |
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______ ______ |
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100.00 % 98.38 % = TOTAL OXIDE |
| Empirical Formula: |
Ca6Al1.5Si0.5(SO4)2B(OH)12O4•26(H2O) |
| IMA Status: |
Approved IMA 1983 |
| Locality: |
800 level close to the Palmer shaft, Franklin, Sussex County, New Jersey. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Charles Palache (1869-1954), professor of mineralogy, Harvard University. |
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