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Dravite from
Sommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine), Dorio, Lecco Province, Lombardy, Italy

Locality type:Dike
Classification
Species:Dravite
Formula:Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
References
References:- Gramaccioli, C.M., Scaini, G., Gentile, P., De Michele, V., Mannucci, G. (1992): Natura in Lombardia. I Minerali. Regione Lombardia, Ed., Milano, 223 pp.; Gramaccioli, C.M., Scaini, G., Gentile, P., De Michele, V., Mannucci, G. (1992): Natura in Lombardia. I Minerali. Regione Lombardia, Ed., Milano, 223 pp.; Magistretti L. (1946): Osservazioni sui nuovi filoni pegmatitici individuati alle falde del M. Legnoncino, sopra il laghetto di Piona e in particolare sui minerali della pegmatite presso l'Alpe Sommafiume. Atti Soc. Ital. Sc. Nat., 85, 136-146; Scaini G. (1972): Filone di pegmatite di Sommafiume. miniera Marategno in località Alpe di Sommafiume. In: Boscardin M., de Michele V., Scaini G. (eds.), Itinerari mineralogici della Lombardia. Museo Civico di Storia Naturale e Società Italiana di Scienze Naturali, Milano, 50-52.
Data
Mineral Data:Click here to view Dravite data
Locality Data:Click here to view Sommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine), Dorio, Lecco Province, Lombardy, Italy
Nearest other occurrences of Dravite
26.9km (16.7 miles) Punta Trubinasca, Codera Valley, Novate Mezzola, Valchiavenna, Sondrio Province, Lombardy, Italy
38.2km (23.7 miles) Isola Quarry (Isola Quarries), Isola, Madesimo, Spluga Valley (San Giacomo Valley), Valchiavenna, Sondrio Province, Lombardy, Italy
43.4km (26.9 miles) Gebel Quarry (Mantegazza Quarry; Subalpina Quarry; Bianchi Quarry), Cuasso al Monte, Varese Province, Lombardy, Italy
45.5km (28.3 miles) Lower Scerscen Glacier, Scerscen Valley, Lanzada, Lanterna Valley, Malenco Valley, Valtellina, Sondrio Province, Lombardy, Italy
57.8km (35.9 miles) Sponda Alp - Pizzo Forno, Chironico Valley, Leventina, Ticino, Switzerland
63.5km (39.4 miles) Venett (Vanit; Cadonighino pass), Campolungo, Piumogna Valley, Leventina, Ticino, Switzerland
73.6km (45.7 miles) Monte Falò, Coiromonte, Armeno, Novara Province, Piedmont, Italy
74.6km (46.4 miles) Pizzo Marcio North dyke, Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
75.1km (46.7 miles) Ornavasso pegmatite, Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy
82.0km (50.9 miles) Plattenzüg, Taminser Calanda, Calanda, Grisons, Switzerland
 
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