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
Agogna Alp mine, Gignese, Verbano-Cusio-Ossola Province, Piedmont, Italy


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Agogna Alp mine, Gignese, Verbano-Cusio-Ossola Province, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:902206
Long-form Identifier:1:3:902206:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.9km (0.6 miles) ⓘMotto Piombino Mine, Gignese, Verbano-Cusio-Ossola Province, Piedmont, Italy
1.3km (0.8 miles) ⓘMonte Falò, Coiromonte, Armeno, Novara Province, Piedmont, Italy
1.8km (1.1 miles) ⓘPirio Alp, Gignese, Verbano-Cusio-Ossola Province, Piedmont, Italy
2.4km (1.5 miles) ⓘOrdecchia, Coiromonte, Armeno, Novara Province, Piedmont, Italy
4.3km (2.7 miles) ⓘRio Solgher (Crotto del Mottaccio; Cerrovecchio), Sovazza, Armeno, Novara Province, Piedmont, Italy
4.9km (3.0 miles) ⓘGiacomini Quarry (Diverio Quarry; Bottigetto Quarry), Agrano, Omegna, Verbano-Cusio-Ossola Province, Piedmont, Italy
4.9km (3.0 miles) ⓘAgrano granite quarry, Agrano, Omegna, Verbano-Cusio-Ossola Province, Piedmont, Italy
6.0km (3.8 miles) ⓘMount Zughero quarry, Stresa, Verbano-Cusio-Ossola Province, Piedmont, Italy
7.2km (4.5 miles) ⓘLocatelli quarry, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
7.6km (4.7 miles) ⓘSeula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
References
Perazzi C. (1865): Sull'esistenza di un sistema di filoni piombiferi negli schisti di Brovello e dell'alta valle dell'Agogna (Pallanza). Mem. R. Accad. Sci. Torino, ser. 2, 20, CLXXXIII-CLXXXV
Albertini C. (2014): Minerali del Vergante e della Valle dell’Agogna. In: Miniere e Minerali del Vergante e Val d’Agogna. GASMA, Arona, pages 442-508.
 
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