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Phengite from
Montaldo Mine (Montaldo di Mondovì Mine), Borgata Oberti, Montaldo di Mondovì, Cuneo Province, Piedmont, Italy


Locality type:Mine
Classification
Species:Muscovite var: Phengite
Formula:KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Comments:Mn-rich (up to 7% in Mn).
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cryptomelane2
Montmorillonite1
Data
Mineral Data:Click here to view Phengite data
Locality Data:Click here to view Montaldo Mine (Montaldo di Mondovì Mine), Borgata Oberti, Montaldo di Mondovì, Cuneo Province, Piedmont, Italy
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:406342
Long-form Identifier:1:3:406342:1
GUID (UUID V4):0
Nearest other occurrences of Phengite
10.4km (6.4 miles) ⓘVillanova-Pianfei road, Villanova Mondovì, Cuneo Province, Piedmont, Italy
18.8km (11.7 miles) ⓘCasario - Bric delle Piombere, Casario, Priola, Cuneo Province, Piedmont, Italy
28.1km (17.5 miles) ⓘTetti Giulia, Roccavione, Cuneo Province, Piedmont, Italy
46.3km (28.7 miles) ⓘPratoluogo, Venasca, Cuneo Province, Piedmont, Italy
53.2km (33.1 miles) ⓘErro Bridge, Cartosio, Alessandria Province, Piedmont, Italy
54.3km (33.7 miles) ⓘChiappi - north of, Castelmagno, Cuneo Province, Piedmont, Italy
55.0km (34.1 miles) ⓘGilba Valley, Brossasco, Cuneo Province, Piedmont, Italy
62.4km (38.8 miles) ⓘGrange Vignale outcrop, Stroppo, Cuneo Province, Piedmont, Italy
63.9km (39.7 miles) ⓘRocca di Cavour, Cavour, Metropolitan City of Turin, Piedmont, Italy
63.9km (39.7 miles) ⓘVerné, Sampeyre, Cuneo Province, Piedmont, Italy
References
 
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