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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Calcite from
Henry Sloan No. 1 Mine, Willow Springs, Coconino County, Arizona, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Comments:Occurs as a cement in sandstone.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Marcasite
Uraninite
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Henry Sloan No. 1 Mine, Willow Springs, Coconino County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:233109
Long-form Identifier:1:3:233109:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
9.2km (5.7 miles) ⓘHuskon No. 5 Mine, Huskon Mines (Huskon group), Cameron, Cameron Mining District, Coconino County, Arizona, USA
22.3km (13.8 miles) ⓘJack Daniels No. 1 Mine (Jack Daniels Nos. 1-5; Denetso No. 1), Cameron, Cameron Mining District, Coconino County, Arizona, USA
24.0km (14.9 miles) ⓘHuskon No. 2 Mine (Huskon No. 2 - Yazzie No. 101 Mine; Yazzie No. 101 Mine), Huskon Mines (Huskon group), Cameron, Cameron Mining District, Coconino County, Arizona, USA
25.4km (15.8 miles) ⓘHuskon No. 1 Mine (Charles Huskon #1), Huskon Mines (Huskon group), Cameron, Cameron Mining District, Coconino County, Arizona, USA
26.2km (16.3 miles) ⓘYazzi No. 312 Mine (Foley Brothers No. 5 Mine), Cameron, Cameron Mining District, Coconino County, Arizona, USA
26.7km (16.6 miles) ⓘAlyce Tolino Mine (Max Johnson No. 9), Cameron, Cameron Mining District, Coconino County, Arizona, USA
29.7km (18.5 miles) ⓘHuskon Mines (Huskon group), Cameron, Cameron Mining District, Coconino County, Arizona, USA
32.4km (20.1 miles) ⓘHuskon No. 3 Mine (Charles Huskon No. 3), Huskon Mines (Huskon group), Cameron, Cameron Mining District, Coconino County, Arizona, USA
32.4km (20.1 miles) ⓘCharles Huskon No. 3 Mine (Huskon #3 Mine), Huskon Mines (Huskon group), Cameron, Cameron Mining District, Coconino County, Arizona, USA
38.0km (23.6 miles) ⓘHuskon No. 10 Mine (Charles Huskon #10; Huskon #10), Huskon Mines (Huskon group), Cameron, Cameron Mining District, Coconino County, Arizona, USA
References
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.406
 
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