| Locality type: | Pass |
| Classification |
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| Species: | Microcline |
| Formula: | K(AlSi3O8) |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Microcline data |
| Locality Data: | Click here to view La Madeleine pass, Montgellafrey, Saint-François-Longchamp, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes, France |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 733074 |
| Long-form Identifier: | 1:3:733074:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Microcline |
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| 58.1km (36.1 miles) | ⓘGrange d'Himbert, Salbertrand, Metropolitan City of Turin, Piedmont, Italy |
| 58.4km (36.3 miles) | ⓘCase Berge, Salbertrand, Metropolitan City of Turin, Piedmont, Italy |
| 69.3km (43.1 miles) | ⓘJas Roux, La Chapelle-en-Valgaudemar, Gap, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France |
| 87.9km (54.6 miles) | ⓘPraborna Mine, Servette-Chuc mining complex, Saint-Marcel, Aosta Valley, Italy |
| 90.3km (56.1 miles) | ⓘPoggio San Vittore asbestos mine, Balangero, Metropolitan City of Turin, Piedmont, Italy |
| References |
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