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
Martegn - Muttala Sura, Innerferrera (Calantgil), Ferrera, Viamala Region, Grisons, Switzerland


Locality type:Vein
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Martegn - Muttala Sura, Innerferrera (Calantgil), Ferrera, Viamala Region, Grisons, Switzerland
Data Identifiers
Mindat Occurrence Record ID:821990
Long-form Identifier:1:3:821990:9
GUID (UUID V4):0
Nearest other occurrences of Pyrite
2.6km (1.6 miles) ⓘPiz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland
3.0km (1.9 miles) ⓘPlattas Alvas Mine, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland
9.3km (5.8 miles) ⓘMonte Cardine east flank (Monte Carden east flank), Madesimo, Sondrio Province, Lombardy, Italy
11.4km (7.1 miles) ⓘLoga Valley, Madesimo, Sondrio Province, Lombardy, Italy
11.4km (7.1 miles) ⓘTaspegn Alp (Taspin) mine, Zillis (Ziran), Zillis-Reischen, Viamala Region, Grisons, Switzerland
11.6km (7.2 miles) ⓘSchisarolo Valley, Madesimo, Sondrio Province, Lombardy, Italy
12.0km (7.4 miles) ⓘIsola Quarry (Isola Quarries), Madesimo, Sondrio Province, Lombardy, Italy
12.9km (8.0 miles) ⓘVamlera, Febbraro Valley, Madesimo, Sondrio Province, Lombardy, Italy
13.0km (8.1 miles) ⓘLei Valley (Valle di Lei), Piuro, Sondrio Province, Lombardy, Italy
14.6km (9.1 miles) ⓘCotschens deposit, Marmorera lake, Surses, Albula Region, Grisons, Switzerland
References
Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
 
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