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


Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz 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:900409
Long-form Identifier:1:3:900409:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
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
4.3km (2.7 miles) ⓘAgogna Alp mine, Gignese, Verbano-Cusio-Ossola Province, Piedmont, Italy
4.9km (3.0 miles) ⓘMotto Piombino Mine, Gignese, Verbano-Cusio-Ossola Province, Piedmont, Italy
5.6km (3.5 miles) ⓘPirio Alp, Gignese, Verbano-Cusio-Ossola Province, Piedmont, Italy
6.5km (4.1 miles) ⓘGiacomini Quarry (Diverio Quarry; Bottigetto Quarry), Agrano, Omegna, Verbano-Cusio-Ossola Province, Piedmont, Italy
6.5km (4.1 miles) ⓘAgrano granite quarry, Agrano, Omegna, Verbano-Cusio-Ossola Province, Piedmont, Italy
7.9km (4.9 miles) ⓘAlzo, Pella, Novara Province, Piedmont, Italy
9.1km (5.7 miles) ⓘMount Zughero quarry, Stresa, Verbano-Cusio-Ossola Province, Piedmont, Italy
11.0km (6.8 miles) ⓘLocatelli quarry, Mount Camoscio, Oltrefiume, Baveno, 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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