| Locality type: | Lake |
| 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 Cignana Lake (Tsignanaz Lake), Valtournenche, Aosta Valley, Italy |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 893671 |
| Long-form Identifier: | 1:3:893671:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tourmaline |
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| 11.9km (7.4 miles) | ⓘBlu Lake (Bleu Lake), Gobba di Rollin-Rocca di Verra ridge - Blu Lake area, Champoluc, Ayas, Aosta Valley, Italy |
| 19.1km (11.8 miles) | ⓘBrusson Mine, Brusson, Aosta Valley, Italy |
| 30.0km (18.6 miles) | ⓘBrunegg pass, Turtmann Valley, Turtmann-Unterems, Leuk, Valais, Switzerland |
| 40.6km (25.2 miles) | ⓘQuartzite quarries, Embd, Visp, Valais, Switzerland |
| 43.0km (26.7 miles) | ⓘCani Mine, Vanzone con San Carlo, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 43.5km (27.1 miles) | ⓘLe Colme, Brosso, Metropolitan City of Turin, Piedmont, Italy |
| 47.5km (29.5 miles) | ⓘPian Telessio (Pian Teleccio; Piantelessio), Piantonetto Valley, Locana, Metropolitan City of Turin, Piedmont, Italy |
| 50.7km (31.5 miles) | ⓘMittal-Hohtenn railway tunnel, Mittal, Steg-Hohtenn, Westlich Raron, Valais, Switzerland |
| 52.1km (32.4 miles) | ⓘTête Noire, Trient, Martigny, Valais, Switzerland |
| 58.8km (36.5 miles) | ⓘSimplon Railway tunnel (north section), Termen, Brig, Valais, Switzerland |
| References |
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