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Halloysite from
Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA

Locality type:Mining District
Classification
Species:'Halloysite' (not an IMA approved species)
Formula:Al2(Si2O5)(OH)4
Confirmation
Validity:Believed Valid
References
References:The Mineralogy of The Butte District, Montana; Guilbert and Zeihen; "Butte, Montana, Minerals, Mines and History", The Mineralogical Record, Vol 33, No. 1, Jan-Feb, 2002
Data
Mineral Data:Click here to view Halloysite data
Locality Data:Click here to view Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA
Nearest other occurrences of Halloysite
66.6km (41.4 miles) Unnamed Clay deposit [7], Porters Corner, Granite Co., Montana, USA
87.9km (54.6 miles) Fleming's Halloysite Prospect, Argenta Mining District, Beaverhead Co., Montana, USA
 
Mineral and/or Locality  
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