Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Chalcedony from
Chavarot quarry, Saint-Jean-des-Ollières, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


Locality type:Quarry
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz1
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Chavarot quarry, Saint-Jean-des-Ollières, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:110372
Long-form Identifier:1:3:110372:4
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
17.9km (11.1 miles) ⓘLa Bessière Quarry, Saint-Genès-la-Tourette, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
26.2km (16.3 miles) ⓘPuy de la Poix, Clermont-Ferrand, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
29.4km (18.3 miles) ⓘCôte des Pompes, Saulzet-le-Chaud, Romagnat, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
29.6km (18.4 miles) ⓘVarennes, Chanonat, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
40.4km (25.1 miles) ⓘRoffin Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
41.4km (25.7 miles) ⓘLa Violette farm, Saint-Beauzire, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
43.1km (26.8 miles) ⓘMont Semiol, Châtelneuf, Montbrison, Loire, Auvergne-Rhône-Alpes, France
56.2km (34.9 miles) ⓘSaint-Paul vein (Les Romains vein), La Rodde mine, Ally, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
57.1km (35.5 miles) ⓘBasalt quarry, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
57.8km (35.9 miles) ⓘLa Barre Mine (La Martinèche Mine), Saint-Jacques-d'Ambur, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
References
Belot, Victor R. (1978) Guide des minéraux, coquillages et fossiles: où les trouver en France, comment les reconnaître et les collectionner. Guides Horay.
Périchaud, J.-J. (1985) Les Minéraux d'Auvergne, Vol. 1.
 
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