Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Mackinawite from
Valmaggia, Cravagliana, Vercelli Province, Piedmont, Italy


Classification
Species:Mackinawite
Formula:FeS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Mackinawite data
Locality Data:Click here to view Valmaggia, Cravagliana, Vercelli Province, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:540078
Long-form Identifier:1:3:540078:2
GUID (UUID V4):0
Nearest other occurrences of Mackinawite
2.6km (1.6 miles) ⓘIsola Mine, Vocca, Vercelli Province, Piedmont, Italy
5.9km (3.7 miles) ⓘBec d'Ovaga, Varallo Sesia, Vercelli Province, Piedmont, Italy
9.6km (5.9 miles) ⓘPennino Grande Mine, Campello Monti, Valstrona, Verbano-Cusio-Ossola Province, Piedmont, Italy
10.0km (6.2 miles) ⓘFei di Doccio, Quarona, Vercelli Province, Piedmont, Italy
11.2km (7.0 miles) ⓘAlvani Mine, Campello Monti, Valstrona, Verbano-Cusio-Ossola Province, Piedmont, Italy
16.4km (10.2 miles) ⓘPiancone, Portula, Biella Province, Piedmont, Italy
20.8km (12.9 miles) ⓘMigiandone Mine (Miggiandone), Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy
23.2km (14.4 miles) ⓘFreva Mine (Cuzzago Mine; Buèr Mine; Cuzzago & Nibbio Mine), Premosello-Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
35.3km (21.9 miles) ⓘBrusson Mine, Brusson, Aosta Valley, Italy
49.7km (30.9 miles) ⓘTraversella Mine, Traversella, Metropolitan City of Turin, Piedmont, Italy
References
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007) Minerali del Piemonte e della Valle d'Aosta - Associazione Amici del Museo "F. Eusebio" Alba.
Sessa, G.; Moroni, M.; Tumiati, S.; Caruso, S.; Fiorentini, M.L. (2017) Ni-Fe-Cu-PGE ore deposition driven by metasomatic fluids and melt-rock reactions in the deep crust: The ultramafic pipe of Valmaggia, Ivrea-Verbano, Italy. Ore Geology Reviews, 90. doi:10.1016/j.oregeorev.2017.05.028
Clark, Shelby Leann (2024) Fe-Ni-Cu-PGE Sulfide Transport Mechanisms and Carbon-Sulfur Interactions in Lower Crustal Magmatic Settings: A Study From the Valmaggia Ultramafic Pipe, Ivrea-Verbano Zone, Italy. Missouri University of Science.
 
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