Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Native Silver from
World's Fair Mine, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA


Locality type:Mine
Classification
Species:Native Silver
Formula:Ag
Comments:Occurs with tetrahedrite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Silver data
Locality Data:Click here to view World's Fair Mine, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:173455
Long-form Identifier:1:3:173455:3
GUID (UUID V4):0
Nearest other occurrences of Native Silver
4.8km (3.0 miles) ⓘDomino Mine (Old Chief Mine), Domino Mine group, Cumero Canyon, Cox Gulch, Palmetto Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
7.1km (4.4 miles) ⓘSonoita prospect, Wrightson Mining District, Santa Cruz County, Arizona, USA
10.9km (6.8 miles) ⓘIvanhoe Mine (Commercial Tunnel and Shaft; Ivanhoe 1-8 claims; Commercial 1-6 claims), Squaw Gulch area, Tyndall Mining District, Santa Cruz County, Arizona, USA
12.8km (7.9 miles) ⓘHolland Mine, Duquesne Gulch, Nash Mines group (Duquesne-Washington group), Duquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
13.0km (8.1 miles) ⓘNew York Mine (Jensen Mine; Bingo claims; New York claims), Redrock Canyon, Redrock Mining District, Santa Cruz County, Arizona, USA
43.1km (26.8 miles) ⓘReef Mine, Carr Canyon, Cochise County, Arizona, USA
48.8km (30.3 miles) ⓘBrick Mine, Bartlett Mountain, Oro Blanco Mining District (Ruby Mining District), Oro Blanco Mountains, Santa Cruz County, Arizona, USA
49.8km (30.9 miles) ⓘWarsaw Mine group, Ruby, Oro Blanco Mining District (Ruby Mining District), Oro Blanco Mountains, Santa Cruz County, Arizona, USA
54.5km (33.9 miles) ⓘCerro Colorado Mine (Heintzelman Mine; Silver Queen Mine), Cerro Colorado Mining District, Cerro Colorado Mountains, Pima County, Arizona, USA
58.8km (36.5 miles) ⓘMary G Mine (Mary E Mine; Princess claim; Princess group), Cerro Colorado Mining District, Cerro Colorado Mountains, Pima County, Arizona, USA
References
Schrader (1915): 248-251
Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153:9.
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 60 (Table 4)
Keith, Stanton B. (1978) Index of Mining Properties in Yuma County, Arizona. University of Arizona Bulletin 192. Bureau of Geology and Mineral Technology 189pp.
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.373
 
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