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Biotite from
Pollena quarries, Pollena - Trocchia area, Monte Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Locality type:Quarry
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
References
References:M. Carati - Guida alla mineralogia vesuviana - Calderini, Bologna, 1982
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Pollena quarries, Pollena - Trocchia area, Monte Somma, Somma-Vesuvius Complex, Naples, Campania, Italy
Nearest other occurrences of Biotite
0.0km (0.0 miles) A Cupa dell'Olivella, Sant'Anastasia, Monte Somma, Somma-Vesuvius Complex, Naples, Campania, Italy
4.0km (2.5 miles) B San Vito quarry, San Vito, Ercolano, Monte Somma, Somma-Vesuvius Complex, Naples, Campania, Italy
10.4km (6.4 miles) C Villa Inglese quarries, Torre del Greco, Mt Vesuvius, Somma-Vesuvius Complex, Naples, Campania, Italy
17.4km (10.8 miles) D Soccavo, Phlegrean Fields, Naples, Campania, Italy
18.1km (11.2 miles) E Pianura, Phlegrean Fields, Naples, Campania, Italy
22.1km (13.7 miles) F Fiano tuff quarries, Nocera Inferiore, Salerno, Campania, Italy
30.3km (18.8 miles) G Torregaveta, Bacoli, Phlegrean Fields, Naples, Campania, Italy
30.6km (19.0 miles) H Monte di Procida, Phlegrean Fields, Naples, Campania, Italy
33.9km (21.0 miles) I Procida Island, Naples, Campania, Italy
45.2km (28.1 miles) J Caccaviello Quarry, Lacco Ameno, Ischia Island, Naples, Campania, Italy
61.9km (38.5 miles) K Orchi, Conca della Campania, Roccamonfina Volcanic Complex, Caserta, Campania, Italy
62.6km (38.9 miles) L Corigliano, Sessa Aurunca, Roccamonfina Volcanic Complex, Caserta, Campania, Italy
102.1km (63.4 miles) M Vallone Toppo di Lupo, Melfi, Potenza Province, Basilicata, Italy
104.5km (64.9 miles) N Monte Vulture, Rionero in Vulture, Potenza Province, Basilicata, Italy
117.5km (73.0 miles) O Colle Spinazzeta, Ceccano, Frosinone Province, Lazio, Italy
126.8km (78.8 miles) P Fosso di Monte Acuto, Giuliano di Roma, Frosinone Province, Lazio, Italy
127.8km (79.4 miles) Q Fosso di Patrica, Patrica, Frosinone Province, Lazio, Italy
129.7km (80.6 miles) R Fosso Pisciarello, Supino, Frosinone Province, Lazio, Italy
175.8km (109.2 miles) S Albano Lake crater, Albano Laziale, Alban Hills, Metropolitan City of Rome Capital, Lazio, Italy
182.3km (113.2 miles) T Corcolle, Rome, Metropolitan City of Rome Capital, Lazio, Italy
218.4km (135.7 miles) U Magliano Romano, Metropolitan City of Rome Capital, Lazio, Italy
Mineral and/or Locality  
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