Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
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Opal from
Diatomite prospect, Duncan area Diatomite deposits, Steeple Rock Mining District (Duncan Mining District), Greenlee County, Arizona, USA


Locality type:Prospect
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 Diatomite prospect, Duncan area Diatomite deposits, Steeple Rock Mining District (Duncan Mining District), Greenlee County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:996791
Long-form Identifier:1:3:996791:5
GUID (UUID V4):0
Nearest other occurrences of Opal
5.0km (3.1 miles) Duncan area Diatomite deposits, Steeple Rock Mining District (Duncan Mining District), Greenlee County, Arizona, USA
27.9km (17.3 miles) Whitlock Mines Inc. prospect (Whitlock deposit), Slick Rock Wash, Whitlock Mountains, Graham County, Arizona, USA
28.2km (17.5 miles) Flat Tire group (Flat Tire diatomite deposit), Dry Mountain, Whitlock Mountains, Graham County, Arizona, USA
29.3km (18.2 miles) White Bluffs Uranium prospect, Dry Mountain, Whitlock Mountains, Graham County, Arizona, USA
35.6km (22.1 miles) Cliff Roy Mine, Cap Rock Mountain Mining District, Grant County, New Mexico, USA
45.0km (28.0 miles) Morenci Mine, Morenci, Greenlee County, Arizona, USA
47.0km (29.2 miles) Solomon deposit (Solomonville Diatomite; Solomonville deposits), Solomon Pass, Lone Star Mining District (Safford Mining District; Dos Pobres Mining District), Graham County, Arizona, USA
60.1km (37.3 miles) Atwood-Henry Clay Mine (Alamo Mine), Virginia District, Lordsburg, Lordsburg Mining District, Pyramid Mountains, Hidalgo County, New Mexico, USA
60.5km (37.6 miles) Pole Line prospect, Virginia District, Lordsburg, Lordsburg Mining District, Pyramid Mountains, Hidalgo County, New Mexico, USA
64.7km (40.2 miles) Stella Maris No. 1 Mine, San Simon Mining District, Peloncillo Mountains, Hidalgo County, New Mexico, USA
References
 
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