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Opal from
Union Pass, Union Pass Mining District (Katherine Mining District), Oatman Mining District, Black Mountains, Mohave County, Arizona, USA

Locality type:Pass
Classification
Species:Opal
Formula:SiO2 · nH2O
Comments:Tiny specks of fire opal under a power line.
Confirmation
Validity:Believed Valid
References
References:Galbraith, F.W. & Brennan (1959), Minerals of AZ: 87.
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Union Pass, Union Pass Mining District (Katherine Mining District), Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
Nearest other occurrences of Opal
70.1km (43.5 miles) Goffs, San Bernardino Co., California, USA
84.5km (52.5 miles) Unnamed Au-Cu-Pb-Mo prospect [1] (USGS PP 1361 locality 482), Lost Basin Mining District, Mohave County, Arizona, USA
 
Mineral and/or Locality  
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