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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Psilomelane from
79 Mine, Chilito, Hayden area, Banner Mining District, Gila County, Arizona, USA


Locality type:Mine
Classification
Species:'Psilomelane' (not an IMA approved species)
Comments:Common supergene mineral in replacemetn deposits in limestone & rhyolite porphyry.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Wulfenite4
Hemimorphite3
Data
Mineral Data:Click here to view Psilomelane data
Locality Data:Click here to view 79 Mine, Chilito, Hayden area, Banner Mining District, Gila County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:201763
Long-form Identifier:1:3:201763:1
GUID (UUID V4):0
Nearest other occurrences of Psilomelane
4.3km (2.7 miles) ⓘGeronimo claims (Geronimo group; Cochise group; Beard claims), Steamboat Mountain area, Banner Mining District, Pinal County, Arizona, USA
8.7km (5.4 miles) ⓘCochise Mine (Cochise group of claims), Steamboat Mountain area, Riverside Mining District, Pinal County, Arizona, USA
12.5km (7.8 miles) ⓘAlmino Mine, Riverside, Riverside Mining District, Pinal County, Arizona, USA
18.1km (11.3 miles) ⓘNorth railway cut, Malpais Hill, Dudleyville, Pinal County, Arizona, USA
18.8km (11.7 miles) ⓘMiddle railway cut, Malpais Hill, Dudleyville, Pinal County, Arizona, USA
19.2km (12.0 miles) ⓘSouth railway cut, Malpais Hill, Dudleyville, Pinal County, Arizona, USA
26.4km (16.4 miles) ⓘTarr & Harper Mine, Putnam Wash, Camp Grant Wash, Crescent Mining District, Black Hills, Pinal County, Arizona, USA
26.8km (16.6 miles) ⓘBenningfield property, Putnam Wash, Lookout Mountain area, Putnam Wash Mining District, Pinal County, Arizona, USA
27.5km (17.1 miles) ⓘBranch Manganese Mine (Orson Branch claim), Camp Grant Wash, Lookout Mountain area, Putnam Wash Mining District, Pinal County, Arizona, USA
29.1km (18.1 miles) ⓘMogul group of claims (Mogul group; North Star group; J.W. Norton property; Bear-Buzan group; Buzan claims; Red Bear claims), Camp Grant Wash, Crescent Mining District, Black Hills, Pinal County, Arizona, USA
References
Kiersch, George A. (1949) Structural control and mineralization at the Seventy Nine Mine, Gila County, Arizona. Economic Geology, 44 (1) 24-39 doi:10.2113/gsecongeo.44.1.24
Wilson, E.D. (1951, July) Arizona Zinc and Lead Deposits - Part II. University of Arizona Bulletin 158. Arizona Bureau of Mines
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.337
 
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