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
Delight Quarry (Soldier's Delight Quarry; Dyer Quarry), Soldiers' Delight ridge, Delight, Baltimore County, Maryland, USA


Locality type:Quarry
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 Delight Quarry (Soldier's Delight Quarry; Dyer Quarry), Soldiers' Delight ridge, Delight, Baltimore County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:149654
Long-form Identifier:1:3:149654:3
GUID (UUID V4):0
Nearest other occurrences of Magnetite
4.2km (2.6 miles) ⓘGlyndon Occurrence, Baltimore County, Maryland, USA
7.0km (4.3 miles) ⓘPatapsco Mine (Finksburg Mine; Orchard Mine), Patapsco Mines, Finksburg, Carroll County, Maryland, USA
7.5km (4.6 miles) ⓘWildesen Mine, Patapsco Mines, Finksburg, Carroll County, Maryland, USA
8.5km (5.3 miles) ⓘMineral Hill Mine, Louisville, Carroll County, Maryland, USA
8.9km (5.6 miles) ⓘBeasman prospect, Eldersburg, Carroll County, Maryland, USA
10.3km (6.4 miles) ⓘMonroe prospect, Eldersburg, Carroll County, Maryland, USA
10.7km (6.6 miles) ⓘMarriottsville Talc Quarries, Carroll County, Maryland, USA
13.7km (8.5 miles) ⓘLord Baltimore Drive Quartz occurrence area, Windsor Mill, Baltimore County, Maryland, USA
13.9km (8.6 miles) ⓘBok Asbestos Mine, Hollofield, Baltimore County, Maryland, USA
14.0km (8.7 miles) ⓘBornite pit, Springfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USA
References
Rocks & Min.: 19:148.
 
and/or  
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