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While externally similar shapes, these two minerals are very different inside.
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Specularite from
Line Boy Mine, Line property, Duquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA


Locality type:Mine
Classification
Species:Hematite var: Specularite
Formula:Fe2O3
Comments:Occurs as a 3 foot (90 cm) thick sheet on the hanging wall side of the dike.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Specularite data
Locality Data:Click here to view Line Boy Mine, Line property, Duquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:240643
Long-form Identifier:1:3:240643:5
GUID (UUID V4):0
Nearest other occurrences of Specularite
3.6km (2.2 miles) ⓘPride of the West Mine, Nash Mines group (Duquesne-Washington group), Duquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
4.9km (3.0 miles) ⓘTibbetts Mine (Evening Star Mine), Duquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
10.0km (6.2 miles) ⓘSpecularite prospect, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
10.1km (6.3 miles) ⓘGolden Rose Mine (Mord and Wieland claim), Providencia Canyon, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
11.0km (6.8 miles) ⓘMorning Glory Mine, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
11.4km (7.1 miles) ⓘPowers prospect (Copper Mountain prospect), Redrock Canyon, Redrock Mining District, Santa Cruz County, Arizona, USA
14.2km (8.8 miles) ⓘAlta Mine, Hardshell Gulch, Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
14.7km (9.1 miles) ⓘTrench Mine, Trench and Josephine Mine group (Josephine Mines; Trench group of claims; Lunch Cans prospect), Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
16.7km (10.4 miles) ⓘLead Queen Mine (Golden Rose; Mono Mine), Buffalo Mine group (Jefferson group), Wieland group (Wieland group claims), Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
18.8km (11.7 miles) ⓘRed Mountain Mine (Red Mountain Copper prospect; Gem Mine; Carlton property; Ten Grand Mine; Red Mountain project), Red Mountain, Patagonia Mountains, Santa Cruz County, Arizona, USA
References
Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 347-348.
Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 40.
 
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