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Opal from
Volcano, Volcano Mining District, Amador County, California, USA


Locality type:Town
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 Volcano, Volcano Mining District, Amador County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1004308
Long-form Identifier:1:3:1004308:6
GUID (UUID V4):0
Localities for Opal in this Region
Diamond placer occurrence MRDS No. 10028324, Volcano, Volcano Mining District, Amador County, California, USA
Nearest other occurrences of Opal
0.9km (0.5 miles) ⓘDiamond placer occurrence MRDS No. 10028324, Volcano, Volcano Mining District, Amador County, California, USA
14.0km (8.7 miles) ⓘChrysoprase and Moss Opal deposits, River Pines, Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
18.8km (11.7 miles) ⓘHexter Placer Mine, Mokelumne Hill, Mokelumne Hill Mining District, East Belt, Calaveras County, California, USA
20.1km (12.5 miles) ⓘGreen Mountain Mine (Calaveras Crystal mine), Chili Gulch (Chile Gulch ?), Mokelumne Hill, Mokelumne Hill Mining District, East Belt, Calaveras County, California, USA
20.3km (12.6 miles) ⓘRough Diamond Mine (Rough Diamond Placer Mine; Rough Diamond Crystal Mine), Chili Gulch (Chile Gulch ?), Mokelumne Hill, Mokelumne Hill Mining District, East Belt, Calaveras County, California, USA
24.4km (15.2 miles) ⓘCuster prospect (Dooley prospect; Custer Dooley prospect), Sunnybrook, Pardee Mining District, Amador County, California, USA
26.0km (16.2 miles) ⓘChili Gulch occurrences, Chili Gulch (Chile Gulch ?), Mokelumne Hill, Mokelumne Hill Mining District, East Belt, Calaveras County, California, USA
27.8km (17.3 miles) ⓘGillam Mine, Camp Pardee, Pardee Mining District, Calaveras County, California, USA
32.1km (19.9 miles) ⓘHooten Ranch deposit, Toyon, Pardee Mining District, Calaveras County, California, USA
39.4km (24.5 miles) ⓘWallace Mine, Wallace, Camanche Mining District, Calaveras County, California, USA
References
January, 1954: 211
California Journal of Mines and Geology (1954): 50(1)
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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