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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Magnetite from
Big Boulder & Iron Ridge prospect (Iron Ridge deposit; Big Boulder deposit), Maricopa County, Arizona, USA


Locality type:Prospect
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Big Boulder & Iron Ridge prospect (Iron Ridge deposit; Big Boulder deposit), Maricopa County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:357997
Long-form Identifier:1:3:357997:8
GUID (UUID V4):0
Nearest other occurrences of Magnetite
15.0km (9.3 miles) ⓘColumbia Mine (Hum Bug Creek placers), Hum Bug Creek, Hum Bug Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
23.7km (14.8 miles) ⓘBlack Canyon placers, Black Canyon (Black Canyon Creek), Bumble Bee, Black Canyon Mining District, Wickenburg Mountains, Yavapai County, Arizona, USA
24.5km (15.2 miles) ⓘBlack Canyon occurrence, Black Canyon (Black Canyon Creek), Bumble Bee, Black Canyon Mining District, Wickenburg Mountains, Yavapai County, Arizona, USA
24.6km (15.3 miles) ⓘHoward Copper Company property area, Black Canyon, Black Canyon Mining District, Wickenburg Mountains, Yavapai County, Arizona, USA
25.9km (16.1 miles) ⓘHoward Copper Mine (Howard Copper Company property; Copper Schist Patented MS 3645 claim), Black Canyon, Bumble Bee, Black Canyon Mining District, Wickenburg Mountains, Yavapai County, Arizona, USA
27.0km (16.8 miles) ⓘPikes Peak prospect (Pikes Peak claims; Bessemer Mine; Iron Age Mine; Pig Iron Mine), Pikes Peak Mining District, Maricopa County, Arizona, USA
27.4km (17.0 miles) ⓘC and W prospect (C and W group of claims; C and W claims), Castle Creek region, Yavapai County, Arizona, USA
28.1km (17.4 miles) ⓘWasson Peak-Orobelle occurrence, Yavapai County, Arizona, USA
29.9km (18.6 miles) ⓘBig Reef Mine (Green Dragon Mine), Yavapai County, Arizona, USA
31.8km (19.7 miles) ⓘSpringfield Mine (Springfield group; Springfield shaft; Venus claim; Gorilla claim), Crown King, Pine Grove Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
References
MRDS file #10048190.
Harrer, C.M. (1964), Reconnaissance of iron resources in Arizona, US Bur. Mines Inf. Circ. 8236.
 
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