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Nontronite from
Garfield, Whitman Co., Washington, USA

Formula:Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Validity:Believed Valid
References:Minerals of Washington, Bart Cannon, 1975
Mineral Data:Click here to view Nontronite data
Locality Data:Click here to view Garfield, Whitman Co., Washington, USA
Nearest other occurrences of Nontronite
22.1km (13.7 miles) A Colfax area, Colfax, Whitman Co., Washington, USA
46.0km (28.6 miles) B Olson Clay deposit (Olson and Stanford Hi-Al Clay), Deary, Troy District, Latah Co., Idaho, USA
75.5km (46.9 miles) C Spokane, Spokane Co., Washington, USA
113.9km (70.8 miles) D Standard-Mammoth Mine (Greenhill - Cleveland; Mace Group), Canyon Creek, Coeur d'Alene District, Shoshone Co., Idaho, USA
Mineral and/or Locality  
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