Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Muscovite from
Rivetta (Piona), Dorio, Lecco Province, Lombardy, Italy


Locality type:Pegmatite
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Rivetta (Piona), Dorio, Lecco Province, Lombardy, Italy
Data Identifiers
Mindat Occurrence Record ID:930143
Long-form Identifier:1:3:930143:6
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.4km (0.2 miles) ⓘPiona Peninsula, Colico, Lecco Province, Lombardy, Italy
1.1km (0.7 miles) ⓘLaghetto pegmatitic dyke (Laghetto Quarry), Piona Peninsula, Colico, Lecco Province, Lombardy, Italy
1.2km (0.7 miles) ⓘMalpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke), Piona Peninsula, Colico, Lecco Province, Lombardy, Italy
1.3km (0.8 miles) ⓘLuna pegmatitic dyke, Dorio, Lecco Province, Lombardy, Italy
2.1km (1.3 miles) ⓘDervio-Colico road tunnel, Dorio, Lecco Province, Lombardy, Italy
2.8km (1.7 miles) ⓘAlpe Sparesè, Dorio, Lecco Province, Lombardy, Italy
3.1km (1.9 miles) ⓘState Road "SS 340 dir" works, Musso, Como Province, Lombardy, Italy
3.1km (1.9 miles) ⓘMarble quarries, Musso, Como Province, Lombardy, Italy
3.6km (2.3 miles) ⓘSommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine), Dorio, Lecco Province, Lombardy, Italy
13.3km (8.3 miles) ⓘPizzo Ledù, Livo, Como Province, Lombardy, Italy
References
Repossi E. (1913): I filoni pegmatitici di Olgiasca. Rinvenimento in essi di minerali di uranio. Atti Soc. Ital. Sc. Nat., 52, 4, 487-513
Rusca L., Scaini G. (1939): Itinerari mineralogici. Comune di Colico. Natura, 30, 1, 30-47
Gramaccioli C.M. (1972): Filone della Rivetta. 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, 53-54
Del Caldo, A.; Moro, C.; Gramaccioli, C.M.; Boscardin, M. (1973) Guida ai minerali. Fratelli Fabbri Editori. 208 pp.
 
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