| Locality type: | Outcrop |
| Classification |
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| Species: | Spinel |
| Formula: | MgAl2O4 |
| Chemical Analyses: |
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| Oxide wt%: | | 1 |
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| SiO2 | 0.01 % |
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| TiO2 | 0.41 % |
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| Al2O3 | 63.77 % |
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| Ga2O3 | 0.04 % |
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| V2O3 | 0.23 % |
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| Cr2O3 | 0.85 % |
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| FeO* | 20.16 % |
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| MnO | 0.11 % |
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| CoO | 0.05 % |
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| NiO | 0.02 % |
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| ZnO | 0.23 % |
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| MgO | 14.40 % |
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| Total: | 100.28 % |
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| Empirical formulas: | | 1 | (Mg0.56Fe2+0.44)(Al1.96Cr0.02Ti0.01)O4 |
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| Sample references: | |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Spinel data |
| Locality Data: | Click here to view Pennycross sapphire occurrence (Sgeir an Fhèidh to Crois an Ollaimb), Loch Scridain area, Isle of Mull, Argyll and Bute, Scotland, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 46556 |
| Long-form Identifier: | 1:3:46556:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Spinel |
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| 5.6km (3.5 miles) | ⓘCarsaig Bay, Carsaig, Isle of Mull, Argyll and Bute, Scotland, UK |
| 6.0km (3.7 miles) | ⓘRoadside dyke, Bunessan, Isle of Mull, Argyll and Bute, Scotland, UK |
| 53.6km (33.3 miles) | ⓘCamas Mor Intrusion, Isle of Muck, Caol and Mallaig, Highland, Scotland, UK |
| 63.3km (39.3 miles) | ⓘSithean Sluaigh, Argyll and Bute, Scotland, UK |
| 64.2km (39.9 miles) | ⓘAllt Guibhsachain, Ballachulish, Fort William and Ardnamurchan, Highland, Scotland, UK |
| 73.4km (45.6 miles) | ⓘRum Central Complex, Rùm, Caol and Mallaig, Highland, Scotland, UK |
| 92.8km (57.7 miles) | ⓘCamasunary, Isle of Skye, Eilean á Chèo, Highland, Scotland, UK |
| 95.6km (59.4 miles) | ⓘCuillin Hills, Minginish, Isle of Skye, Eilean á Chèo, Highland, Scotland, UK |
| 96.6km (60.0 miles) | ⓘGlen Beag, Glenelg, Wester Ross, Strathpeffer and Lochalsh, Highland, Scotland, UK |
| 96.6km (60.0 miles) | ⓘCorrary, Glen Beag, Glenelg, Wester Ross, Strathpeffer and Lochalsh, Highland, Scotland, UK |
| References |
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Pennycross sapphire occurrence, Loch Scridain area, Isle of Mull, Argyll and Bute, Scotland, UK