Tourmaline
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| Tourmaline-quartz greisen |
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| Isola d'Elba, Italy |
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| Source: Thin section collection Steinmann-Institut, Universität Bonn |
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| Photos: MMR |
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Comments and references:
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| PPL |
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| +Pol |
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| Additional images |
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| Image comments |
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| Width of view |
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Pol orientation |
| 1 mm |
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W-E |
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Tourmaline |
Images
Mineral data |
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