Nepheline
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| Nepheline phonolite |
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| Huevin (Schlossberg Brüx), Czech Republic |
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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 |
| 200 μm |
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W-E |
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Nepheline |
Images
Mineral data |
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