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Opal from
Chessy copper mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Chessy copper mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:25343
Long-form Identifier:1:3:25343:5
GUID (UUID V4):0
Nearest other occurrences of Opal
50.0km (31.1 miles) ⓘLe Crêt, Saint-Priest-en-Jarez, Saint-Étienne, Loire, Auvergne-Rhône-Alpes, France
57.1km (35.5 miles) ⓘMont Semiol, Châtelneuf, Montbrison, Loire, Auvergne-Rhône-Alpes, France
72.8km (45.2 miles) ⓘLa Roche, Besanceuil, Bonnay, Mâcon, Saône-et-Loire, Bourgogne-Franche-Comté, France
79.1km (49.2 miles) ⓘGourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
79.3km (49.3 miles) ⓘBigay Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
82.8km (51.4 miles) ⓘRoffin Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
83.0km (51.6 miles) ⓘEtang de Reliez, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
83.4km (51.8 miles) ⓘGagnol Mine, Ris, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
83.5km (51.9 miles) ⓘReliez, Ris, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
84.3km (52.4 miles) ⓘBancherelle Mine, Ris, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
References
Coueille, G. (1988). Chessy les Mines. Le Cahier des Micromonteurs, 22(4), 6-46.
 
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