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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Pyrite from
Isola Quarry (Isola Quarries), Madesimo, Sondrio Province, Lombardy, Italy


Locality type:Quarry
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Isola Quarry (Isola Quarries), Madesimo, Sondrio Province, Lombardy, Italy
Data Identifiers
Mindat Occurrence Record ID:968393
Long-form Identifier:1:3:968393:8
GUID (UUID V4):0
Nearest other occurrences of Pyrite
3.3km (2.1 miles) ⓘVamlera, Febbraro Valley, Madesimo, Sondrio Province, Lombardy, Italy
3.6km (2.2 miles) ⓘMonte Cardine east flank (Monte Carden east flank), Madesimo, Sondrio Province, Lombardy, Italy
4.1km (2.5 miles) ⓘSchisarolo Valley, Madesimo, Sondrio Province, Lombardy, Italy
4.4km (2.8 miles) ⓘStarleggia Valley quarries, Campodolcino, Sondrio Province, Lombardy, Italy
4.9km (3.0 miles) ⓘLoga Valley, Madesimo, Sondrio Province, Lombardy, Italy
8.2km (5.1 miles) ⓘLei Valley (Valle di Lei), Piuro, Sondrio Province, Lombardy, Italy
12.0km (7.4 miles) ⓘMartegn - Muttala Sura, Innerferrera (Calantgil), Ferrera, Viamala Region, Grisons, Switzerland
14.0km (8.7 miles) ⓘPiz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland
14.9km (9.3 miles) ⓘPlattas Alvas Mine, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland
15.2km (9.4 miles) ⓘTanno Pegmatitic Field, Chiavenna, Sondrio Province, Lombardy, Italy
References
Bedogné, F., Maurizio, R., Montrasio, A., Sciesa, E. (1995): I minerali della Provincia Di Sondrio e della Bregaglia Grigionese: Val Bregaglia, Val Masino, Val Codera e Valle Spluga. Bettini, Sondrio, Italy, 300 pp.
 
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