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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Arsenopyrite from
Rio Solgher (Crotto del Mottaccio; Cerrovecchio), Sovazza, Armeno, Novara Province, Piedmont, Italy


Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Rio Solgher (Crotto del Mottaccio; Cerrovecchio), Sovazza, Armeno, Novara Province, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:900400
Long-form Identifier:1:3:900400:9
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
2.3km (1.4 miles) ⓘOrdecchia, Coiromonte, Armeno, Novara Province, Piedmont, Italy
3.8km (2.3 miles) ⓘMonte Falò, Coiromonte, Armeno, Novara Province, Piedmont, Italy
4.9km (3.0 miles) ⓘMotto Piombino Mine, Gignese, Verbano-Cusio-Ossola Province, Piedmont, Italy
7.9km (4.9 miles) ⓘAlzo, Pella, Novara Province, Piedmont, Italy
11.0km (6.8 miles) ⓘLocatelli quarry, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
11.4km (7.1 miles) ⓘSeula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
14.2km (8.8 miles) ⓘMont'Orfano (Montorfano), Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
21.6km (13.4 miles) ⓘFreva Mine (Cuzzago Mine; Buèr Mine; Cuzzago & Nibbio Mine), Premosello-Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
25.4km (15.8 miles) ⓘVal Segnara gold mines, Calasca-Castiglione, Verbano-Cusio-Ossola Province, Piedmont, Italy
26.2km (16.3 miles) ⓘVal Toppa Mine, Marmazza Valley (Toppa Valley), Pieve Vergonte, Verbano-Cusio-Ossola Province, Piedmont, Italy
References
ALBERTINI C. (2014) – Minerali del Vergante e della Valle dell’Agogna. In: Miniere e Minerali del Vergante e Val d’Agogna, GASMA – Arona. (Analyses of the minerals P. Gentile and P. Vignola (UNI Milano), in press.
 
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