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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Corundum from
Dordogne river alluvial deposits, Avèze, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


04376370017369945105999.jpg
Sapphire

Dordogne river alluvial deposits, Avèze, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
04376370017369945105999.jpg
Sapphire

Dordogne river alluvial deposits, Avèze, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
04376370017369945105999.jpg
Sapphire

Dordogne river alluvial deposits, Avèze, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Locality type:Alluvials
Classification
Species:Corundum
Formula:Al2O3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Corundum data
Locality Data:Click here to view Dordogne river alluvial deposits, Avèze, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:997352
Long-form Identifier:1:3:997352:7
GUID (UUID V4):0
Nearest other occurrences of Corundum
6.8km (4.2 miles) ⓘMortagne stream alluvial deposits, La Guinguette, Singles, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
8.1km (5.0 miles) ⓘBurande stream alluvial deposits, Larodde, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
9.2km (5.7 miles) ⓘMortagne stream alluvial deposits, La Tour-d'Auvergne, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
12.9km (8.0 miles) ⓘLa Panouille stream alluvial deposits, La Vialolle, Labessette, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
13.5km (8.4 miles) ⓘFondain stream alluvial deposits, Laqueuille, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
15.7km (9.7 miles) ⓘRioupéroux stream alluvial deposits, Jollère, Perpezat, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
16.7km (10.4 miles) ⓘBuges stream alluvial deposits, Perpezat, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
17.1km (10.6 miles) ⓘPlane stream alluvial deposits, Perpezat, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
17.1km (10.6 miles) ⓘLa Panouille stream alluvial deposits, Journiac, Sarlat-la-Canéda, Dordogne, Nouvelle-Aquitaine, France
17.4km (10.8 miles) ⓘThynières gully alluvial deposits, Beaulieu, Mauriac, Cantal, Auvergne-Rhône-Alpes, France
References
Périnet, François (n.d.) Personal communication.
 
and/or  
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