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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Chalcedony from
Black Butte Uranium Corporation claim (Black Butte Uranium claim), Big Horn Mining District, Maricopa County, Arizona, USA


Locality type:Claim
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Black Butte Uranium Corporation claim (Black Butte Uranium claim), Big Horn Mining District, Maricopa County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:358014
Long-form Identifier:1:3:358014:1
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
10.4km (6.4 miles) ⓘValley View Mine (Wheeler claims; Yarnell group; Prieta Chinda Mine; Manganese Development Mine), Aguila Mining District, Maricopa County, Arizona, USA
16.4km (10.2 miles) ⓘDead Horse Wash, Maricopa County, Arizona, USA
26.4km (16.4 miles) ⓘMoon Anchor Mine, Hummingbird Springs, Osborn Mining District, Maricopa County, Arizona, USA
28.8km (17.9 miles) ⓘVulture, Vulture Mining District, Maricopa County, Arizona, USA
30.1km (18.7 miles) ⓘTonopah-Belmont Mine, Belmont Mountain, Tonopah, Osborn Mining District, Maricopa County, Arizona, USA
43.0km (26.7 miles) ⓘOro Grande Mine, Black Rock Mining District, Yavapai County, Arizona, USA
46.5km (28.9 miles) ⓘHarquahala Mine, Bonanza and Golden Eagle Mine group, Martin Peak, Salome, La Paz County, Arizona, USA
47.8km (29.7 miles) ⓘNorth slope, Saddle Mountain, Maricopa County, Arizona, USA
51.8km (32.2 miles) ⓘAnderson Mine, Date Creek Basin, Yavapai County, Arizona, USA
54.6km (33.9 miles) ⓘWhite Jumbo prospect, White Picacho Mining District, Yavapai County, Arizona, USA
References
MRDS file #10048199.
 
and/or  
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