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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Calcite from
Boisséjour, Beaumont, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Hydrocalumite2
Ettringite2
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Boisséjour, Beaumont, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:282004
Long-form Identifier:1:3:282004:0
GUID (UUID V4):0
Nearest other occurrences of Calcite
5.7km (3.5 miles) ⓘGergovie, La Roche-Blanche, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
7.0km (4.3 miles) ⓘPuy de la Poix, Clermont-Ferrand, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
10.9km (6.7 miles) ⓘBasalt Quarry, Châteaugay, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
10.9km (6.8 miles) ⓘPuy de Marmant, Veyre-Monton, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
14.4km (9.0 miles) ⓘPuy de Ténuzet quarry, Saint-Ours-les-Roches, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
14.5km (9.0 miles) ⓘPuy du Mur Quarry, Mur-sur-Allier, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
15.4km (9.6 miles) ⓘOld Quarry, Saint-Maurice, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
16.9km (10.5 miles) ⓘLimagne Basin, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
19.5km (12.1 miles) ⓘMarcillat stream alluvial deposits, Billom, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
23.5km (14.6 miles) ⓘPrudeux, Saint-Babel, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
References
Grünhagen, H.; Mergoil, Juliette (1963) Découverte d'hydrocalumite et afwillite associées à l'ettringite dans les porcélanites de Boisséjour près Ceyrat (Puy-de-Dôme). Bulletin de Minéralogie, 86 (2). 149-157 doi:10.3406/bulmi.1963.8308
 
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