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Beidellite from
Castle Dome Mine (Castle Dome deposit; Pinto Valley deposit), Castle Dome area (Castle Dome Mine area; Pinto Valley Mine area), Inspiration, Miami-Inspiration Mining District, Globe-Miami Mining District, Gila Co., Arizona, USA

Locality type:Mine
Classification
Species:Beidellite
Formula:(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Comments:Occurs in veinlets & fine aggregates & as scattered flakes in altered quartz monzonite.
Confirmation
Validity:Believed Valid
References
References:Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 132; Peterson, N.P., et al (1946), Hydrothermal alteration in the Castle Dome copper deposit, AZ, Econ.Geol.: 41: 820-840; Peterson, N.P. (1962), Geology and ore deposits of the Globe-Miami district, AZ, USGS PP 342; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 108.
Data
Mineral Data:Click here to view Beidellite data
Locality Data:Click here to view Castle Dome Mine (Castle Dome deposit; Pinto Valley deposit), Castle Dome area (Castle Dome Mine area; Pinto Valley Mine area), Inspiration, Miami-Inspiration Mining District, Globe-Miami Mining District, Gila Co., Arizona, USA
 
Mineral and/or Locality  
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