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Opal from
Silver Bell Mine, Mineral Mountain, Silver Bell Mining District, Silver Bell Mts, Pima Co., Arizona, USA

Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Comments:Veinlets in the oxidized zone with jarosite.
Confirmation
Validity:Believed Valid
References
References:Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 193; Kerr, P.F. (1951), Alteration features at Silverbell, AZ, Geol. Soc. Amer. Bull.: 62: 451-480; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 87.
Associated Minerals:
Associates:Jarosite
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Silver Bell Mine, Mineral Mountain, Silver Bell Mining District, Silver Bell Mts, Pima Co., Arizona, USA
Nearest other occurrences of Opal
61.6km (38.3 miles) Mission complex, San Xavier, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mts, Pima Co., Arizona, USA
70.0km (43.5 miles) Copper Glance Mine (Glance Mine), Stevens Mountain, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mts, Pima Co., Arizona, USA
86.7km (53.9 miles) Lake Pleasant Mine, Maricopa Co., Arizona, USA
89.1km (55.4 miles) Andrada Marble Quarry, Helvetia-Rosemont Mining District, Pima Co., Arizona, USA
91.6km (56.9 miles) Omega Mine (Omega tunnel; Omega Extension Mine), Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima Co., Arizona, USA
92.5km (57.5 miles) Feldman and Winkelman Gypsum pits (Feldman Quarry; National Gypsum Co. Mine), Feldman, Dudleyville area, Pinal Co., Arizona, USA
94.3km (58.6 miles) White Cliffs Mine (Oversite claims; Arizite Mine; Nuez claims; Mammoth; Kaolin claims; Arizite Products Mine; Arizona Gypsum Mine), Whitlock Wash area, Pinal Co., Arizona, USA
95.9km (59.6 miles) Eagle prospect, San Pedro River, San Pedro River-Alder Wash confluence area, San Pedro Mining District, Pinal Co., Arizona, USA
98.0km (60.9 miles) Reymert Mine, Reymert Canyon, Superior area, Mineral Mountain Mining District, Pinal Co., Arizona, USA
 
Mineral and/or Locality  
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