| Locality type: | Mine |
| Classification |
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6(T6O18)(BO3)3X3Z |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Little American Mine, Rainy Lake, Koochiching County, Minnesota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 503294 |
| Long-form Identifier: | 1:3:503294:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tourmaline |
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| 3.7km (2.3 miles) | ⓘBushyhead Island Prospect, Rainy Lake, Koochiching County, Minnesota, USA |
| 3.8km (2.4 miles) | ⓘGrassy Island Prospect, Rainy Lake, Koochiching County, Minnesota, USA |
| 4.2km (2.6 miles) | ⓘLyle Mine, Rainy Lake, Koochiching County, Minnesota, USA |
| 9.1km (5.6 miles) | ⓘSteamboat Islet Prospect, Rainy Lake, Saint Louis County, Minnesota, USA |
| 9.3km (5.8 miles) | ⓘCranberry Islet Prospect, Rainy Lake, Saint Louis County, Minnesota, USA |
| 95.8km (59.6 miles) | ⓘGold Island Prospect, Saint Louis County, Minnesota, USA |
| 96.4km (59.9 miles) | ⓘBully Boy Mine, Phillips Township, Kenora District, Ontario, Canada |
| 99.3km (61.7 miles) | ⓘJubilee Mine (Elora Mine), Boyer Lake Area, Kenora District, Ontario, Canada |
| References |
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