| Locality type: | Vein |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view La Roche vein, Saint-Ferréol-d'Auroure, Yssingeaux, Haute-Loire, Auvergne-Rhône-Alpes, France |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 669885 |
| Long-form Identifier: | 1:3:669885:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 13.5km (8.4 miles) | ⓘBouillon vein, Saint-Pal-de-Mons, Yssingeaux, Haute-Loire, Auvergne-Rhône-Alpes, France |
| 17.4km (10.8 miles) | ⓘLe Crêt, Saint-Priest-en-Jarez, Saint-Étienne, Loire, Auvergne-Rhône-Alpes, France |
| 18.6km (11.5 miles) | ⓘCollonges, Saint-Just-Saint-Rambert, Montbrison, Loire, Auvergne-Rhône-Alpes, France |
| 37.3km (23.2 miles) | ⓘMont Semiol, Châtelneuf, Montbrison, Loire, Auvergne-Rhône-Alpes, France |
| 45.0km (27.9 miles) | ⓘMont Denise, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France |
| 60.0km (37.3 miles) | ⓘBressieux, Saint-Romain-de-Lerps, Tournon-sur-Rhône, Ardèche, Auvergne-Rhône-Alpes, France |
| 60.2km (37.4 miles) | ⓘLa Bessière Quarry, Saint-Genès-la-Tourette, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 63.2km (39.3 miles) | ⓘLa Lègre, Cornas, Tournon-sur-Rhône, Ardèche, Auvergne-Rhône-Alpes, France |
| 67.0km (41.6 miles) | ⓘLes Ponts-Tarrets, Le Breuil, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France |
| 67.0km (41.6 miles) | ⓘChessy copper mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France |
| References |
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