| Locality type: | Pass |
| Classification |
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| Species: | Orthoclase |
| Formula: | K(AlSi3O8) |
| Comments: | Probably a mis-understanding about adularia which is about equally microcline or orthoclase. Structural state needs to be confirmed. |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Orthoclase 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: | 680319 |
| Long-form Identifier: | 1:3:680319:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Orthoclase |
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| 21.4km (13.3 miles) | ⓘNant d'Agot quarry, Villette, Aime-la-Plagne, Albertville, Savoie, Auvergne-Rhône-Alpes, France |
| 52.7km (32.7 miles) | ⓘLa Combe de la Selle, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France |
| 53.9km (33.5 miles) | ⓘPlan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France |
| 69.3km (43.1 miles) | ⓘJas Roux, La Chapelle-en-Valgaudemar, Gap, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France |
| 84.4km (52.4 miles) | ⓘBalayer, Finhaut, Saint-Maurice, Valais, Switzerland |
| 90.3km (56.1 miles) | ⓘPoggio San Vittore asbestos mine, Balangero, Metropolitan City of Turin, Piedmont, Italy |
| 95.1km (59.1 miles) | ⓘVarenche Mine, Saint-Barthélemy, Nus, Aosta Valley, Italy |
| References |
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