Spinel
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| Corundum-spinel-anorthite-phlogopite rock (sakenite) |
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| Sakeny, southern Madagascar |
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| Source: Thin section collection M.M. Raith |
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| Photos: MMR |
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Comments and references:
Reaction corona: corundum → spinel |
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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 |
| 4 mm |
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W-E |
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Spinel |
Images
Mineral data |
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