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Dravite from
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn, Goms, Valais, Switzerland

Locality type:Quarry
Classification
Species:Dravite
Formula:Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Comments:Dark brown crystals contain up to 30% of an uvite component; green crystals contain up to 5 wt% of Cr2O3 (Raber, 2011).
Confirmation
Validity:Believed Valid
References
References:Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 415-416; Raber, T. (2011): Chromhaltige Turmaline aus dem Lengenbach. Schweizer Strahler 45 (4), 2-5.
Associated Minerals Based on Photo Data:
Dufrénoysite1 photo of Dravite associated with Dufrénoysite at this locality.
Phlogopite1 photo of Dravite associated with Phlogopite at this locality.
Data
Mineral Data:Click here to view Dravite data
Locality Data:Click here to view Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn, Goms, Valais, Switzerland
Photo GalleryView Gallery (7 photos)
Nearest other occurrences of Dravite
2.1km (1.3 miles) Turtschi, Giessen, Binn, Goms, Valais, Switzerland
2.4km (1.5 miles) Reckibach, Binn, Goms, Valais, Switzerland
3.0km (1.9 miles) Holzerspitz north slope, Feldbach Valley (Fäldbach Valley), Binn, Goms, Valais, Switzerland
3.5km (2.2 miles) Halsen, Freichi area, Binn, Goms, Valais, Switzerland
6.3km (3.9 miles) Albrun pass, Albrunhorn - Turbhorn area, Binn, Goms, Valais, Switzerland
8.0km (5.0 miles) Arbola Glacier (Punta d'Arbola N and E slopes; Ofenhorn N and E slopes), Sabbione Glacier, Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy
11.1km (6.9 miles) Ghiacciaio dei Camosci (Ghiacciaio Siedel), Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy
12.8km (7.9 miles) Stretta di Cuggine, Croveo, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy
13.5km (8.4 miles) Piano dei Camosci (Pian dei Camosci), Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy
14.6km (9.1 miles) Morasco area, Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy
 
Mineral and/or Locality  
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