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
Collins prospect (Old Collins prospect; Cemetary Ridge prospects), Eagle Tail Mining District, Eagletail Mts (Cemetary Ridge), La Paz 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 Collins prospect (Old Collins prospect; Cemetary Ridge prospects), Eagle Tail Mining District, Eagletail Mts (Cemetary Ridge), La Paz County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:220412
Long-form Identifier:1:3:220412:3
GUID (UUID V4):0
Nearest other occurrences of Magnetite
8.6km (5.4 miles) ⓘActinolite prospects (Actinolite Asbestos prospect), Eagle Tail Mining District, Eagletail Mts (Cemetary Ridge), La Paz County, Arizona, USA
8.9km (5.5 miles) ⓘOrocopia Schist Subduction Channel, Eagletail Mts (Cemetary Ridge), La Paz County, Arizona, USA
41.5km (25.8 miles) ⓘEngesser Mine (Engesser prospect; Johnnie prospect), Engesser Pass, Tank Mountains Mining District, Tank Mountains, Yuma County, Arizona, USA
41.7km (25.9 miles) ⓘAlonah Mine, La Paz County, Arizona, USA
41.8km (26.0 miles) ⓘHarquahala Mine, Bonanza and Golden Eagle Mine group, Martin Peak, Salome, La Paz County, Arizona, USA
53.1km (33.0 miles) ⓘArrastre Gulch prospect, Maricopa County, Arizona, USA
65.4km (40.7 miles) ⓘYuma Mine, Ellsworth Mining District, Granite Wash Mountains, La Paz County, Arizona, USA
69.0km (42.9 miles) ⓘCobralla prospect, Ellsworth Mining District, Granite Wash Mountains, La Paz County, Arizona, USA
72.4km (45.0 miles) ⓘCritic Mine, Wenden, Cunningham Pass Mining District, La Paz County, Arizona, USA
76.6km (47.6 miles) ⓘArrowhead claim, White Tank Mountains Mining District, White Tank Mountains, Maricopa County, Arizona, USA
References
Wilson, E.D. (1933), AZ Bur. of Mines Bull. 134: 42.
 
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