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

Locality type:Mining District
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
References
References:The Mineralogy of The Butte District, Montana; Guilbert and Zeihen
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA
Nearest other occurrences of Chalcedony
34.6km (21.5 miles) Indian Head Rock, Basin, Jefferson Co., Montana, USA
34.6km (21.5 miles) Red Rock Mine, Jefferson Co., Montana, USA
49.7km (30.9 miles) Mount Washington Mine (Deer tunnel; Monongahela-Mount Washington M. Company; Angelica Mining & Development Company; Salvail), Colorado Mining District (Prickly Pear Mining District; Corbin Mining District), Jefferson Co., Montana, USA
56.5km (35.1 miles) Argonne Mine, Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA
64.3km (40.0 miles) G. Washington Mine (Member of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA
65.2km (40.5 miles) W. Wilson Mine (Liverpool Mine), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA
65.2km (40.5 miles) Rockefeller Occurrence, Potosi Mining District, Madison Co., Montana, USA
66.1km (41.1 miles) Little Nell Mine (Little Nellie Mine), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA
67.8km (42.1 miles) Roosevelt Mine, Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA
76.6km (47.6 miles) Meadow Mine (Haab), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA
 
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