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

Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
References
References:Gallitelli P. (1938): Ricerche petrografiche sul Montorfano (Lago Maggiore). Mem. R. Acc. Sci. Lett. Arti Modena, 3, 1-92; Scaini G. (1939): Itinerari mineralogici. Comune di Mergozzo. Località: cave di granito bianco di Mont’Orfano. Natura, 30, 3, 155-159; De Michele V. (1974): Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol., 408 pp.; Gramaccioli C.M. (1975): Minerali alpini e prealpini. Istituto Italiano Edizioni Atlas, Bergamo, 2 vol., 472 pp.
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Mont'Orfano (Montorfano), Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
Nearest other occurrences of Prehnite
3.3km (2.1 miles) Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
3.6km (2.3 miles) Locatelli Quarry, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
8.1km (5.0 miles) Migiandone Mine (Miggiandone), Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy
8.2km (5.1 miles) Nibbio-Val Faera (Nibbio-Val Fredda) pegmatites, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
18.6km (11.5 miles) Pizzo Marcio South-East dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
18.8km (11.7 miles) Pizzo Marcio North dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
19.2km (11.9 miles) Beura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
21.0km (13.1 miles) Pianasca Quarry, Villadossola, Verbano-Cusio-Ossola Province, Piedmont, Italy
21.1km (13.1 miles) Alpe Rosso, Orcesco, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
23.3km (14.5 miles) Piano del Lavonchio (Piano dei Lavonchi), Rio Vasca, Craveggia, Verbano-Cusio-Ossola Province, Piedmont, Italy
 
Mineral and/or Locality  
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