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Dumortierite from
Ornavasso pegmatite, Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy

Locality type:Pegmatite
Classification
Species:Dumortierite
Formula:(Al,Fe3+)7(SiO4)3(BO3)O3
Confirmation
Validity:Believed Valid
References
References:Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.; Mattioli V. (1983): I minerali dei differenziati acidi e basici dell'Ossola inferiore (NO). Riv. Mineral. Ital., 7, 1 (1/2003), 23-26.
Data
Mineral Data:Click here to view Dumortierite data
Locality Data:Click here to view Ornavasso pegmatite, Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy
Nearest other occurrences of Dumortierite
3.9km (2.4 miles) Nibbio-Val Faera (Nibbio-Val Fredda) pegmatites, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
57.2km (35.5 miles) Castione, Arbedo-Castione, Ticino, Switzerland
87.5km (54.4 miles) Schiesone Creek, Rifugio Il Biondo, Schiesone Valley, Prata Camportaccio, Valchiavenna, Sondrio Province, Lombardy, Italy
 
Mineral and/or Locality  
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