| Locality type: | Tunnel |
| Classification |
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| Species: | 'Hornblende Root Name Group' (not an IMA approved species) |
| Formula: | ◻Ca2(C42+C3+)(AlSi7O22)W2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Hornblende Root Name Group data |
| Locality Data: | Click here to view Martigny road tunnel, Mont Chemin mining district, Martigny, Valais, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 298752 |
| Long-form Identifier: | 1:3:298752:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Hornblende Root Name Group |
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| 35.5km (22.0 miles) | ⓘComba de la Sassa (Comba della Sassa; Sassa Valley), Bionaz, Aosta Valley, Italy |
| 42.4km (26.4 miles) | ⓘLes Moulins Mine, Saint-Luc, Anniviers, Sierre, Valais, Switzerland |
| 64.5km (40.1 miles) | ⓘBrusson Mine, Brusson, Aosta Valley, Italy |
| 79.9km (49.7 miles) | ⓘAntronapiana, Antrona Schieranco, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 81.0km (50.3 miles) | ⓘCani Mine, Vanzone con San Carlo, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 83.4km (51.8 miles) | ⓘTraversella Mine, Traversella, Metropolitan City of Turin, Piedmont, Italy |
| 87.6km (54.4 miles) | ⓘBrosso Mine, Calea, Lessolo, Metropolitan City of Turin, Piedmont, Italy |
| 90.2km (56.1 miles) | ⓘValmaggia, Cravagliana, Vercelli Province, Piedmont, Italy |
| 93.6km (58.2 miles) | ⓘCrevoladossola Quarry, Crevoladossola, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 98.7km (61.3 miles) | ⓘRio Margologio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| References |
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