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Montmorillonite from
Copper Cities Mine, Copper Cities Mine area, Sleeping Beauty Peak, Miami, Miami-Inspiration Mining District, Globe-Miami Mining District, Gila County, Arizona, USA


Locality type:Mine
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Comments:Occurs as an hydrothermal alteration product of rock-forming silicate minerals; soft aggregates fill fractures and coat breccia fragments in leached quartz monzonite & granite porphyry capping.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Copper Cities Mine, Copper Cities Mine area, Sleeping Beauty Peak, Miami, Miami-Inspiration Mining District, Globe-Miami Mining District, Gila County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:222988
Long-form Identifier:1:3:222988:1
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
8.3km (5.2 miles) ⓘCastle Dome Mine (Castle Dome deposit; Pinto Valley deposit), Castle Dome area (Castle Dome Mine area; Pinto Valley Mine area), Inspiration, Miami-Inspiration Mining District, Gila County, Arizona, USA
30.6km (19.0 miles) ⓘUnnamed wash, adjacent to State Route 177, Superior area, Pinal County, Arizona, USA
34.1km (21.2 miles) ⓘRay Mine, Scott Mountain, Pinal County, Arizona, USA
42.3km (26.3 miles) ⓘ79 Mine, Chilito, Hayden area, Banner Mining District, Gila County, Arizona, USA
44.0km (27.3 miles) ⓘChristmas, Banner Mining District, Gila County, Arizona, USA
44.3km (27.5 miles) ⓘChristmas Mine, Christmas, Banner Mining District, Gila County, Arizona, USA
54.9km (34.1 miles) ⓘCopper Hill prospect, Crozier Peak area, Cottonwood Mining District, Tortilla Mountains, Pinal County, Arizona, USA
65.3km (40.5 miles) ⓘPoston Butte deposit (Continental Oil Co. property; Aztec Exploration and Development Co. property; Florence Conoco; Florence Copper Co. property), Florence, Florence Mining District (Blackwater Mining District; Black Rock Mining District), Pinal County, Arizona, USA
81.0km (50.3 miles) ⓘGrand Reef Mine, Laurel Canyon, Grand Reef Mountain, Klondyke, Aravaipa Mining District, Graham County, Arizona, USA
References
Peterson, N.P. (1962), Geology and ore deposits of the Globe-Miami district, AZ, USGS PP 342: 79.
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.304
 
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