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Chalcedony from
Artic II mine, Crook Co., Wyoming, USA

Locality type:Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
References
References:Rocks & Minerals 76:385
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Artic II mine, Crook Co., Wyoming, USA
Nearest other occurrences of Chalcedony
19.6km (12.2 miles) Wharf Mine, Bald Mountain Mining District (Portland Mining District), Lawrence Co., South Dakota, USA
57.3km (35.6 miles) Piedmont, Meade Co., South Dakota, USA
66.6km (41.4 miles) Pettit and Pfander's Claim, Hill City Mining District, Pennington Co., South Dakota, USA
72.1km (44.8 miles) Sawmill Spring diggings (Teepee Gem Agate claims), Teepee Canyon ("Hell's Canyon"), Custer Co., South Dakota, USA
72.4km (45.0 miles) Teepee Canyon ("Hell's Canyon"), Custer Co., South Dakota, USA
72.5km (45.1 miles) Teepee Canyon Main diggings (Teepee Canyon Agate No. 1 claim; Teepee Canyon Agate No. 2 claim), Teepee Canyon ("Hell's Canyon"), Custer Co., South Dakota, USA
93.2km (57.9 miles) Pringle, Custer Mining District, Custer Co., South Dakota, USA
97.5km (60.6 miles) State Game Lodge area, Custer Co., South Dakota, USA
 
Mineral and/or Locality  
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