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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Diopside from
Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


Locality type:Outcrop
Classification
Species:Diopside
Formula:CaMgSi2O6
Confirmation
Validity:Confirmed
Confirmation Methods:EPMA
Data
Mineral Data:Click here to view Diopside data
Locality Data:Click here to view Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:382137
Long-form Identifier:1:3:382137:4
GUID (UUID V4):0
Nearest other occurrences of Diopside
3.2km (2.0 miles) ⓘMont-Dore Volcanic Field (Mont-Dore volcanic province), Puy-de-Dôme, Auvergne-Rhône-Alpes, France
3.6km (2.3 miles) ⓘRavin des Chèvres (Rivaux Grands), Mont-Dore, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
4.7km (2.9 miles) ⓘChareire stream alluvial deposits, Chareire, Picherande, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
5.5km (3.4 miles) ⓘNeuffonds stream alluvial deposits, Besse-et-Saint-Anastaise, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
8.9km (5.5 miles) ⓘPuy de la Tache, Mont-Dore, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
15.1km (9.4 miles) ⓘGroire, Murol, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
29.2km (18.1 miles) ⓘPuy de Menoyre, Menet, Mauriac, Cantal, Auvergne-Rhône-Alpes, France
39.3km (24.4 miles) ⓘPuy de Ténuzet quarry, Saint-Ours-les-Roches, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
53.2km (33.1 miles) ⓘAllevier, Azérat, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
55.6km (34.5 miles) ⓘMenat-Malmouche Maars, Saint-Angel, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
References
Gourgaud A. (1985) Mélanges de magmas dans les séries alcalines et calco-alcalines : leur role dans la genèse des laves intermédiaires et leur influences sur les mécanismes éruptifs. PhD thesis, Clermont-Ferrand, 522 pp.
 
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