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Cordierite from
Mont'Orfano (Montorfano), Mergozzo, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy

Classification
Species:Cordierite
Formula:(Mg,Fe)2Al3(AlSi5O18)
Comments:In xenoliths.
Confirmation
Validity:Believed Valid
References
References:Boriani A., Burlini L., Caironi V., Giobbi Origoni E., Sassi A., Sesana E. (1988): Geological and petrological studies on the hercynian plutonism of Serie dei Laghi - geological map of its occurrence between Valsesia and Lago Maggiore (N-Italy). Rend. Soc. Ital. Miner. Petrol., 43, 2, 367-384.
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Mont'Orfano (Montorfano), Mergozzo, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
Nearest other occurrences of Cordierite
3.3km (2.1 miles) A Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
5.2km (3.2 miles) B Candoglia marble quarries, Candoglia, Mergozzo, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
59.9km (37.2 miles) C Sponda Alp - Pizzo Forno, Chironico Valley, Leventina, Ticino (Tessin), Switzerland
70.0km (43.5 miles) D Brosso Mine, Cálea, Léssolo, Canavese District, Torino Province, Piedmont, Italy
70.8km (44.0 miles) E Dervio-Colico road tunnel, Dorio, Lecco Province, Lombardy, Italy
72.4km (45.0 miles) F Traversella Mine, Traversella, Chiusella Valley, Canavese District, Torino Province, Piedmont, Italy
91.7km (57.0 miles) G Chete-Canete area, Villa di Chiavenna, Bregaglia Valley, Valchiavenna, Sondrio Province, Lombardy, Italy
94.6km (58.8 miles) H Pizzo Trubinasca, Bondasca Valley, Bregaglia Valley (Bergell), Grischun (Grisons; Graubünden), Switzerland
96.7km (60.1 miles) I Locana, Orco Valley, Canavese District, Torino Province, Piedmont, Italy
161.8km (100.5 miles) J Schattenspitze, Ochsen valley, Silvretta Alps, Montafon, Vorarlberg, Austria
193.6km (120.3 miles) K Porphyry quarry, Detzeln, Waldshut, Black Forest, Baden-Württemberg, Germany
219.9km (136.6 miles) L Zeigerhalde, Oberried, Black Forest, Baden-Württemberg, Germany
Mineral and/or Locality  
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