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| Goethite | Akaganéite | Lepidocrocite | Feroxyhite | Bernalite | Hematite | Maghemite | Magnetite | ||||||||
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| α-FeOOH |
| β-FeOOH |
| γ-FeOOH |
| δ-FeOOH |
| Fe(OH)3 |
| α-Fe2O3 |
| γ-Fe2O3 |
| Fe3O4 |
| 1) | sh | 3500* | ss | 3480 |
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| s | 3450* |
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| s | 3155 | sh | 3000* | s | 3100 | s | 3150 | m | 3500 - 2500 |
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| 1385d |
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| sh | 2800* | s | 2900* |
| 1507c |
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| 2) | w w | 1125a 1081a |
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| m s | 1155 1160f | m | 1130 | vw | 1044c | w | 1010f |
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| w | 1020f |
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| m s | 1020 1020f | m | 915 |
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| s | 890 | sh | 875 |
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| w | 885f |
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| s | 790 | w | 800 | s | 740 | s | 795 |
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| s | 700 |
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| 725e |
| 785d |
| 725e |
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| s | 640 | w | 620 |
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| 590e 535e |
| 630d | sh | 668b |
| 3) | sh | 455 |
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| ss | 480 | ss | 460 |
| 566c 448c |
| 568c |
| 550d | s
| 570c,d 470b |
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| ss | 400 | ss | 425 | ss | 360 |
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| sh | 442b |
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| s | 270 |
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| ss | 270 | ss | 335 |
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| 385c,d |