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
Golden Dream Mine (Golden Dream group of claims), Fortuna Mining District (La Fortuna Mining District), Yuma County, Arizona, USA


Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Comments:Occurs in pegmatite dikes cutting gneiss.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Golden Dream Mine (Golden Dream group of claims), Fortuna Mining District (La Fortuna Mining District), Yuma County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:990751
Long-form Identifier:1:3:990751:5
GUID (UUID V4):0
Nearest other occurrences of Magnetite
51.2km (31.8 miles) ⓘPicacho Mine (Picacho Gold Mine; Goshen; Helen May; Tierra Rica; Mina Rica; St. George; California Gold King; Picacho Basin; Golden Rule; Venus; Jayne; Golden Casket; Dulciana; Mars), Picacho Peak, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA
53.8km (33.4 miles) ⓘBluebird Kyanite Mine (Vitrefrax Corporation property; Vitrefrax Mine; Bluebird Hill Kyanite deposit; Drifted Snow; Foster Bluebird Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
81.3km (50.5 miles) ⓘSierra Pinta Mountains, Yuma County, Arizona, USA
82.6km (51.3 miles) ⓘEngesser Mine (Engesser prospect; Johnnie prospect), Engesser Pass, Tank Mountains Mining District, Tank Mountains, Yuma County, Arizona, USA
86.2km (53.6 miles) ⓘUnnamed Fe occurrences [2], Midway Well, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USA
91.2km (56.6 miles) ⓘBryan Mountain prospect, Bryan Mountains, Yuma County, Arizona, USA
98.3km (61.1 miles) ⓘAlonah Mine, La Paz County, Arizona, USA
References
Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 199-200.
 
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