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


Locality type:Mining District
Classification
Species:Halloysite
Formula:Al2Si2O5(OH)4 · n(H2O)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Halloysite data
Locality Data:Click here to view Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:119391
Long-form Identifier:1:3:119391:6
GUID (UUID V4):0
Nearest other occurrences of Halloysite
40.4km (25.1 miles) ⓘApex prospect, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
41.3km (25.7 miles) ⓘBonanza prospect, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
41.9km (26.0 miles) ⓘNorth pit, Golden Sunlight Mine, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
66.6km (41.4 miles) ⓘUnnamed Clay deposit [7], Porters Corner, Granite County, Montana, USA
87.9km (54.6 miles) ⓘFleming's Halloysite Prospect, Argenta Mining District, Beaverhead County, Montana, USA
References
Guilbert and Zeihen
Guilbert, J., Zeihen, L.G. (1964) The mineralogy of the Butte district, Montana. Open-File Report 268. Montana Bureau of Mines and Geology
Jenkins, Robert E. II, Lorengo, Jerry A. (2002) Butte, Montana: Minerals, Mines and History. The Mineralogical Record, 33 (1) 5-69
 
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