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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Andalusite from
Granite Mountains deposit (Granite Mountain), Yavapai County, Arizona, USA


Locality type:Deposit
Classification
Species:Andalusite
Formula:Al2(SiO4)O
Comments:Occurs in extensive veins.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Andalusite data
Locality Data:Click here to view Granite Mountains deposit (Granite Mountain), Yavapai County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:229155
Long-form Identifier:1:3:229155:0
GUID (UUID V4):0
Nearest other occurrences of Andalusite
29.6km (18.4 miles) ⓘCamp Wood (Camp Wood deposit; Sillimanite group), Eureka Mining District, Santa Maria Mountains, Yavapai County, Arizona, USA
36.2km (22.5 miles) ⓘBradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
39.2km (24.4 miles) ⓘHuron Mine (Old Huron Mine; Montezuma and Huron patents MS 1673; Huron-Montezuma Mine; Swindler Mine; Huron-Victor-Swindler-Montezuma prospects), Yavapai County, Arizona, USA
42.5km (26.4 miles) ⓘMule Canyon, Yavapai County, Arizona, USA
51.0km (31.7 miles) ⓘMiddleton Andalusite deposit, Middleton, Big Bug Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
53.6km (33.3 miles) ⓘCleator area, Cleator, Black Canyon Mining District, Wickenburg Mountains, Yavapai County, Arizona, USA
58.3km (36.2 miles) ⓘUnnamed Andalusite deposit, Yavapai County, Arizona, USA
References
Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 98.
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.110
 
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