| Locality type: | Reservoir |
| Classification |
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| Species: | 'Amphibole Supergroup' (not an IMA approved species) |
| Formula: | AB2C5(T8O22)W2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Amphibole Supergroup data |
| Locality Data: | Click here to view Mattmark reservoir, Saas-Almagell, Visp, Valais, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 943346 |
| Long-form Identifier: | 1:3:943346:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Amphibole Supergroup |
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| 5.0km (3.1 miles) | ⓘFelskinn, Fee Glacier, Saas-Fee, Visp, Valais, Switzerland |
| 9.5km (5.9 miles) | ⓘRimpfischwäng range, Findel glacier (Findeln glacier; Findelen glacier) area, Zermatt, Visp, Valais, Switzerland |
| 18.2km (11.3 miles) | ⓘPolluce (Pollux), Champoluc, Ayas, Aosta Valley, Italy |
| 19.4km (12.0 miles) | ⓘGrande Dixence power station, Zmuttbach Valley, Zermatt, Visp, Valais, Switzerland |
| 21.7km (13.5 miles) | ⓘStägjitschuggen tunnel, Stalden (VS), Visp, Valais, Switzerland |
| 22.7km (14.1 miles) | ⓘMonte Rosso di Verra, Champoluc, Ayas, Aosta Valley, Italy |
| 24.0km (14.9 miles) | ⓘPalon di Resy, Champoluc, Ayas, Aosta Valley, Italy |
| 24.3km (15.1 miles) | ⓘAlvani Mine, Campello Monti, Valstrona, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 25.1km (15.6 miles) | ⓘPennino Grande Mine, Campello Monti, Valstrona, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 25.3km (15.7 miles) | ⓘRiffelberg–Garten Unit, Valtournenche, Aosta Valley, Italy |
| References |
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Mattmark reservoir, Saas-Almagell, Visp, Valais, Switzerland