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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Cordierite from
Suc de la Violette quarries, Saint-Marcellin-en-Forez, Montbrison, Loire, Auvergne-Rhône-Alpes, France


Locality type:Quarry
Classification
Species:Cordierite
Formula:Mg2Al4Si5O18
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Suc de la Violette quarries, Saint-Marcellin-en-Forez, Montbrison, Loire, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:669265
Long-form Identifier:1:3:669265:0
GUID (UUID V4):0
Nearest other occurrences of Cordierite
16.7km (10.4 miles) ⓘCrassier Saint-Pierre, Montrambert and Bèraudiére mines, La Ricamarie, Saint-Étienne, Loire, Auvergne-Rhône-Alpes, France
30.7km (19.1 miles) ⓘSaint-Symphorien-sur-Coise quarry, Saint-Symphorien-sur-Coise, Lyon, Rhône, Auvergne-Rhône-Alpes, France
48.6km (30.2 miles) ⓘMont Peylenc quarry, Saint-Pierre-Eynac, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
50.7km (31.5 miles) ⓘMont Denise, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
52.9km (32.9 miles) ⓘBournac volcano, Saint-Front, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
53.6km (33.3 miles) ⓘMont Croustet, Ceyssac, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
55.0km (34.2 miles) ⓘLa Gourcie, Ceilloux, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
62.1km (38.6 miles) ⓘQuai Saint Vincent, First District, Lyon, Lyon, Rhône, Auvergne-Rhône-Alpes, France
65.7km (40.8 miles) ⓘLoire river alluvial deposits, Goudet, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
95.1km (59.1 miles) ⓘSerre-Bas, Besse-et-Saint-Anastaise, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
References
Personnaly collected by Matthias Diot
 
and/or  
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