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
Passo Vazzeda, Val Forno, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland


Locality type:Pass
Classification
Species:Cordierite
Formula:Mg2Al4Si5O18
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Passo Vazzeda, Val Forno, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
Data Identifiers
Mindat Occurrence Record ID:537678
Long-form Identifier:1:3:537678:0
GUID (UUID V4):0
Nearest other occurrences of Cordierite
2.5km (1.5 miles) ⓘMonte del Forno, Val Forno, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
3.5km (2.2 miles) ⓘSissone Valley, Chiesa in Valmalenco, Sondrio Province, Lombardy, Italy
11.8km (7.3 miles) ⓘPizzo Trubinasca, Bondasca Valley, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
14.6km (9.0 miles) ⓘCasnaggina Valley, Villa di Chiavenna, Sondrio Province, Lombardy, Italy
15.2km (9.4 miles) ⓘCasnaggina Valley, Castasegna, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
15.8km (9.8 miles) ⓘCodera streambed, Codera Valley, Novate Mezzola, Sondrio Province, Lombardy, Italy
16.5km (10.2 miles) ⓘPizzo Bresciadega, Codera Valley, Novate Mezzola, Sondrio Province, Lombardy, Italy
37.1km (23.1 miles) ⓘDervio-Colico road tunnel, Dorio, Lecco Province, Lombardy, Italy
40.8km (25.3 miles) ⓘRebolgin Valley, Lostallo, Moesa Region, Grisons, Switzerland
64.9km (40.3 miles) ⓘMiregn, Personico, Leventina, Ticino, Switzerland
References
Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.122
 
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