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
Mineral Hill Mine, Louisville, Carroll County, Maryland, USA


06054480017272053192099.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
08399650017361092889913.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
02614820017272040869044.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
04047390017371814049435.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
06054480017272053192099.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
07631550017362098136829.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
09123130017371814049601.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
04047390017371814049435.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
04989610017272053223688.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
08399650017361092889913.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
02614820017272040869044.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
03184550017371814054792.jpg
Magnetite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Malachite10
Chrysocolla10
Chalcopyrite9
Bornite7
Talc7
Hematite5
Epidote5
Actinolite3
Quartz3
Calcite3
Serpentine Subgroup3
Goethite2
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:98187
Long-form Identifier:1:3:98187:5
GUID (UUID V4):0
Nearest other occurrences of Magnetite
0.8km (0.5 miles) ⓘBeasman prospect, Eldersburg, Carroll County, Maryland, USA
2.2km (1.4 miles) ⓘMonroe prospect, Eldersburg, Carroll County, Maryland, USA
7.0km (4.3 miles) ⓘWildesen Mine, Patapsco Mines, Finksburg, Carroll County, Maryland, USA
7.1km (4.4 miles) ⓘPatapsco Mine (Finksburg Mine; Orchard Mine), Patapsco Mines, Finksburg, Carroll County, Maryland, USA
7.5km (4.6 miles) ⓘBornite pit, Springfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USA
7.6km (4.7 miles) ⓘSpringfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USA
8.1km (5.1 miles) ⓘMarriottsville Talc Quarries, Carroll County, Maryland, USA
8.5km (5.3 miles) ⓘDelight Quarry (Soldier's Delight Quarry; Dyer Quarry), Soldiers' Delight ridge, Delight, Baltimore County, Maryland, USA
8.7km (5.4 miles) ⓘFlorence Mine, Sykesville, Carroll County, Maryland, USA
8.7km (5.4 miles) ⓘCarroll Mine, Sykesville, Carroll County, Maryland, USA
References
Rocks & Min.:26:111,121.
Econ Geol (1989) 84:663-675
 
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