| 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 Metahorns, Trun, Surselva Region, Grisons, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 559705 |
| Long-form Identifier: | 1:3:559705:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tourmaline |
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| 2.1km (1.3 miles) | ⓘMacorta Valley, Rabius, Sumvitg, Surselva Region, Grisons, Switzerland |
| 11.8km (7.3 miles) | ⓘMedel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland |
| 13.0km (8.1 miles) | ⓘN19 Road cut, Segnas (Segnes), Disentis, Surselva Region, Grisons, Switzerland |
| 17.9km (11.1 miles) | ⓘVal Stgira, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland |
| 23.3km (14.5 miles) | ⓘCavradi gorge, Val Curnera, Tujetsch, Surselva Region, Grisons, Switzerland |
| 23.4km (14.6 miles) | ⓘMuotta Naira (Muota Naira; Motta Naira; Muota Nera), Piz Lai Blau, Val Nalps, Tujetsch, Surselva Region, Grisons, Switzerland |
| 24.2km (15.0 miles) | ⓘBovarina Alp, Campo Valley, Campo Blenio, Camadra Valley, Blenio Valley, Blenio, Ticino, Switzerland |
| 27.7km (17.2 miles) | ⓘCampra, Acquacalda, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland |
| 28.0km (17.4 miles) | ⓘCamperio, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland |
| 30.1km (18.7 miles) | ⓘPizzo Taneda, Piora Valley, Quinto, Leventina, Ticino, Switzerland |
| References |
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