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Antigorite Mineral Data
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General Antigorite Information
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 Chemical Formula: |
(Mg,Fe++)3Si2O5(OH)4 |
| Composition: |
Molecular Weight = 300.77 gm |
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Magnesium 18.18 % Mg 30.15 % MgO |
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Iron 13.93 % Fe 17.92 % FeO |
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Silicon 18.68 % Si 39.95 % SiO2 |
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Hydrogen 1.34 % H 11.98 % H2O |
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Oxygen 47.88 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg2.25Fe2+0.75(Si2O5)(OH)4 |
| Environment: |
Common in regional and contact metamorphosed serpentinites |
| IMA Status: |
Valid Species (Pre-IMA) 1840 |
| Locality: |
Antigorio, Italy Link to MinDat.org Location Data. |
| Name Origin: |
Named after its locality. From the Latin, serpens - "snake." |
| Name Pronunciation: |
Antigorite + Pronunciation  |
| Synonym: |
Bowenite |
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Jenkinsite |
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Picrosmine |
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Protoantigorite |
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Williamsite |
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