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Opal from
Spar Canyon, Challis, Bay Horse Mining District, Custer County, Idaho, USA


Locality type:Canyon
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Spar Canyon, Challis, Bay Horse Mining District, Custer County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:455141
Long-form Identifier:1:3:455141:6
GUID (UUID V4):0
Nearest other occurrences of Opal
20.4km (12.7 miles) ⓘRat's Nest claim, Custer County, Idaho, USA
92.7km (57.6 miles) ⓘGrays Peak Opal Deposit, Marble Creek Mining District, Valley County, Idaho, USA
94.5km (58.7 miles) ⓘDiatomite Occurrence, Fairfield Area, Camas County, Idaho, USA
99.1km (61.6 miles) ⓘBlue Grouse Opal Mine, Lemhi County, Idaho, USA
References
Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing.
 
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