Arfvedsonite - Eckermannite
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| Arfvedsonite alkalitrachyte |
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| Hohenberg quarry near Berkum, Northrhine-Westphalia, Germany |
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| Source: Thin section collection M.M. Raith |
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| Photos: MMR |
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Comments and references:
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| PPL |
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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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Arfvedsonite - Eckermannite |
Images
Mineral data |
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