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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Pickeringite from
Freva Mine (Cuzzago Mine; Buèr Mine; Cuzzago & Nibbio Mine), Premosello-Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy


06192250017370502183676.jpg
Pickeringite

Freva Mine, Premosello-Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
06192250017370502183676.jpg
Pickeringite

Freva Mine, Premosello-Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
02252700017272018353587.jpg
Pickeringite

Freva Mine, Premosello-Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
Locality type:Mine
Classification
Species:Pickeringite
Formula:MgAl2(SO4)4 · 22H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Siderotil1
Data
Mineral Data:Click here to view Pickeringite data
Locality Data:Click here to view Freva Mine (Cuzzago Mine; Buèr Mine; Cuzzago & Nibbio Mine), Premosello-Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:933167
Long-form Identifier:1:3:933167:9
GUID (UUID V4):0
Nearest other occurrences of Pickeringite
2.4km (1.5 miles) ⓘMigiandone Mine (Miggiandone), Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy
27.9km (17.4 miles) ⓘFonte Vittoria, Brissago, Locarno, Ticino, Switzerland
62.2km (38.7 miles) ⓘGrand-Praz Mine, Ayer, Anniviers, Sierre, Valais, Switzerland
65.2km (40.5 miles) ⓘLes Moulins Mine, Saint-Luc, Anniviers, Sierre, Valais, Switzerland
71.0km (44.1 miles) ⓘBrosso Mine, Calea, Lessolo, Metropolitan City of Turin, Piedmont, Italy
90.4km (56.2 miles) ⓘMaderanertal, Silenen, Uri, Switzerland
References
Scaini G. (1971): L'alunogeno della miniera del Nibbio a Mergozzo (Ossola). Natura, 42, (2), 230-231.
Mattioli, V. (1979) Minerali Ossolani. Arti Grafiche Medesi. 268pp.
 
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