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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Siderite from
Beccas d'Arnas, Arnas Valley (Rio Arnas Valley), Mussa Alp (Pian della Mussa; Piano della Mussa; La Mussa; Lamussa), Balme, Metropolitan City of Turin, Piedmont, Italy


Locality type:Mountain
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Beccas d'Arnas, Arnas Valley (Rio Arnas Valley), Mussa Alp (Pian della Mussa; Piano della Mussa; La Mussa; Lamussa), Balme, Metropolitan City of Turin, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:860100
Long-form Identifier:1:3:860100:1
GUID (UUID V4):0
Nearest other occurrences of Siderite
7.2km (4.5 miles) ⓘPunta Corna - Torre di Ovarda Mines, Usseglio, Metropolitan City of Turin, Piedmont, Italy
18.1km (11.3 miles) ⓘTraduerivi, Susa, Metropolitan City of Turin, Piedmont, Italy
18.3km (11.4 miles) ⓘChiapili di sotto, Ceresole Reale, Metropolitan City of Turin, Piedmont, Italy
19.1km (11.9 miles) ⓘMont-Cenis gypsum outcrop (Mont-Cenis gypsum hillock), Mont-Cenis Plateau, Lanslebourg-Mont-Cenis, Val-Cenis, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes, France
20.2km (12.6 miles) ⓘParete delle Aquile, Noasca, Metropolitan City of Turin, Piedmont, Italy
20.6km (12.8 miles) ⓘLa Cuccagna Mine, Noasca, Metropolitan City of Turin, Piedmont, Italy
24.8km (15.4 miles) ⓘColle del Vento, Villar Focchiardo, Metropolitan City of Turin, Piedmont, Italy
31.7km (19.7 miles) ⓘMoncellier, Salbertrand, Metropolitan City of Turin, Piedmont, Italy
32.2km (20.0 miles) ⓘCase Berge, Salbertrand, Metropolitan City of Turin, Piedmont, Italy
32.3km (20.0 miles) ⓘGrange d'Himbert, Salbertrand, Metropolitan City of Turin, Piedmont, Italy
References
Barresi A.A., Caiolo M., Ambrino P., Orlandi P., 2003. Mineralogia delle Valli di Lanzo (Piemonte). Hornesite, lollingite, boulangerite e bournonite in un filone idrotermale dell'alta Val d'Ala (TO). Il Cercapietre, 1-2.
 
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