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Opal from
Andrada Marble Quarry, Helvetia-Rosemont Mining District, Pima County, Arizona, USA


Locality type:Quarry
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 Andrada Marble Quarry, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:1000064
Long-form Identifier:1:3:1000064:7
GUID (UUID V4):0
Nearest other occurrences of Opal
11.2km (7.0 miles) ⓘBulldozer Hill, Tiptop Mine group (Tiptop Camp prospects/mines), Tiptop Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
11.3km (7.0 miles) ⓘOmega Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
31.9km (19.8 miles) ⓘMission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
32.2km (20.0 miles) ⓘCopper Glance Mine (Glance Mine), Stevens Mountain, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
34.8km (21.6 miles) ⓘPost Ranch deposit, Post Ranch, Cochise County, Arizona, USA
43.4km (27.0 miles) ⓘOpal occurrence [1], Saint David area, Cochise County, Arizona, USA
44.5km (27.7 miles) ⓘSaint David area, Cochise County, Arizona, USA
48.0km (29.8 miles) ⓘLyle Creek Diatomite deposits (Huachuca deposits), Huachuca Mountains Northwestern foothills, Redrock Mining District, Santa Cruz County, Arizona, USA
48.1km (29.9 miles) ⓘCurtis Diatomite deposit (Curtiss Diatomite deposit), Curtiss, Cochise County, Arizona, USA
50.2km (31.2 miles) ⓘEagle deposit, Redrock Mining District, Santa Cruz County, Arizona, USA
References
MRDS database Dep. ID file #10060227, MRDS ID #TC10194.
 
and/or  
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