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


01413330017272049572987.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
05454610017272079845663.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
02481490017272079859183.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
09330890017272079841474.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
05529090017365006648915.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
08945730017367636796690.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
07545910017367636819975.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
08598060017367636809937.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
01413330017272049572987.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
05454610017272079845663.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
02481490017272079859183.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
09330890017272079841474.jpg
Magnetite, etc.

Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Locality type:Outcrop
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Comments:other reference: Designolle, J.L. (1996). Massif du Sancy (Puy de Dôme). Le Cahier des Micromonteurs, (4), 8-9.
Confirmation
Validity:Confirmed
Confirmation Methods:EPMA
Associated Minerals Based on Photo Data:
Enstatite6
Fluoro-edenite3
Hematite2
Fluorophlogopite1
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Roc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Photo GalleryView Gallery (6 photos)
Data Identifiers
Mindat Occurrence Record ID:248409
Long-form Identifier:1:3:248409:9
GUID (UUID V4):0
Nearest other occurrences of Magnetite
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
6.1km (3.8 miles) ⓘSuper-Besse ski resort, Besse-et-Saint-Anastaise, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
6.5km (4.0 miles) ⓘCharlannes, La Bourboule, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
8.5km (5.3 miles) ⓘCouze de Chaudefour stream alluvial deposits, Voissière, Chambon-sur-Lac, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
8.6km (5.3 miles) ⓘVal Blanc stream alluvial deposits, Mont-Dore, 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
9.6km (6.0 miles) ⓘPavin lake, Besse-et-Saint-Anastaise, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
12.5km (7.8 miles) ⓘRicolas stream alluvial deposits, Laqueuille, Issoire, 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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