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Chestermanite Mineral Data
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General Chestermanite Information
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 Chemical Formula: |
Mg2(Fe+++,Mg,Al,Sb+++++)BO3O2 |
| Composition: |
Molecular Weight = 192.66 gm |
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Magnesium 27.75 % Mg 46.02 % MgO |
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Aluminum 1.40 % Al 2.65 % Al2O3 |
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Iron 17.39 % Fe 24.87 % Fe2O3 |
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Boron 5.61 % B 18.07 % B2O3 |
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Antimony 6.32 % Sb 8.40 % Sb2O5 |
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Oxygen 41.52 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg2Fe3+0.6Mg0.2Al0.1Sb0.1BO5 |
| IMA Status: |
Approved IMA 1988 |
| Locality: |
Twin Lakes region, Fresno County, California, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Charles W. Chesterman (1913-1991), U. S. Geologist who discovered the mineral. |
| Synonym: |
ICSD 71036 |
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PDF 45-1415 |
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