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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Cordierite from
Crodolo Valley, Brissago, Locarno, Ticino, Switzerland


Locality type:Valley
Classification
Species:Cordierite
Formula:Mg2Al4Si5O18
Habit:Pseudohexagonal crystals to 4 cm
Colour:Brown, green
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Crodolo Valley, Brissago, Locarno, Ticino, Switzerland
Data Identifiers
Mindat Occurrence Record ID:537683
Long-form Identifier:1:3:537683:4
GUID (UUID V4):0
Nearest other occurrences of Cordierite
10.7km (6.7 miles) ⓘCuriglia, Curiglia con Monteviasco, Varese Province, Lombardy, Italy
25.6km (15.9 miles) ⓘMiregn, Personico, Leventina, Ticino, Switzerland
28.2km (17.5 miles) ⓘCandoglia marble quarries, Candoglia, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
29.3km (18.2 miles) ⓘMont'Orfano (Montorfano), Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
30.2km (18.8 miles) ⓘSeula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
33.6km (20.9 miles) ⓘSponda Alp - Pizzo Forno, Chironico Valley, Faido, Leventina, Ticino, Switzerland
40.8km (25.3 miles) ⓘRebolgin Valley, Lostallo, Moesa Region, Grisons, Switzerland
48.0km (29.8 miles) ⓘDervio-Colico road tunnel, Dorio, Lecco Province, Lombardy, Italy
51.1km (31.7 miles) ⓘRoccapietra, Varallo Sesia, Vercelli Province, Piedmont, Italy
56.4km (35.0 miles) ⓘIsolella, Borgosesia, Vercelli Province, Piedmont, Italy
References
Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.122
 
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