Quartz
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| Quartz veins in Devonian sandstone |
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| Geroldstein, Eifel, Germany |
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| Source: Thin section collection – Institut für Geowissenschaften, 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 |
| 2 mm |
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W-E |
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Quartz |
Images
Mineral data |
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