| Locality type: | Tunnel |
| Classification |
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| Species: | Microcline var: Hyalophane |
| Formula: | (K,Ba)[Al(Si,Al)Si2O8] |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Hyalophane data |
| Locality Data: | Click here to view Simplon Railway tunnel (north section), Termen, Brig, Valais, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 386237 |
| Long-form Identifier: | 1:3:386237:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Hyalophane |
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| 14.6km (9.1 miles) | ⓘReckibach, Binn, Goms, Valais, Switzerland |
| 15.1km (9.4 miles) | ⓘTurtschi, Giessen, Binn, Goms, Valais, Switzerland |
| 16.9km (10.5 miles) | ⓘSchwarzenbach, Fäld, Binn, Goms, Valais, Switzerland |
| 17.0km (10.6 miles) | ⓘLengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland |
| 18.3km (11.4 miles) | ⓘWyssi Flüe, Freichi area, Binn, Goms, Valais, Switzerland |
| 30.0km (18.6 miles) | ⓘPiano dei Camosci (Pian dei Camosci), Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 49.9km (31.0 miles) | ⓘCandoglia marble quarries, Candoglia, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 83.7km (52.0 miles) | ⓘPraborna Mine, Servette-Chuc mining complex, Saint-Marcel, Aosta Valley, Italy |
| 96.7km (60.1 miles) | ⓘTrou des Romains (Chapy deposit), Sapin Valley, Courmayeur, Aosta Valley, Italy |
| References |
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