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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Magnetite from
Jobst Mine, Vera Cruz, Upper Milford Township, Lehigh County, Pennsylvania, USA


Locality type:Mine
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 Jobst Mine, Vera Cruz, Upper Milford Township, Lehigh County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:605125
Long-form Identifier:1:3:605125:9
GUID (UUID V4):0
Nearest other occurrences of Magnetite
5.0km (3.1 miles) ⓘShimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
12.1km (7.5 miles) ⓘSeisholtzville Mine, Seisholtzville, Berks County, Pennsylvania, USA
13.4km (8.3 miles) ⓘOlafsen Iron Mine, Huffs Church, Hereford Township, Berks County, Pennsylvania, USA
14.2km (8.8 miles) ⓘRittenhouse Gap Mine (Rittenhouse Gap Iron Mines), Rittenhouse Gap, Berks County, Pennsylvania, USA
21.5km (13.3 miles) ⓘKibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery County, Pennsylvania, USA
22.1km (13.7 miles) ⓘDurham Mines, Durham, Durham Township, Bucks County, Pennsylvania, USA
25.2km (15.7 miles) ⓘGabel Mine, Boyertown, Berks County, Pennsylvania, USA
27.6km (17.2 miles) ⓘHart's exploration, Holland Township, Hunterdon County, New Jersey, USA
29.8km (18.5 miles) ⓘHager Mine, Spring Mills, Holland Township, Hunterdon County, New Jersey, USA
31.2km (19.4 miles) ⓘMellick Smith's explorations, Spring Mills, Holland Township, Hunterdon County, New Jersey, USA
References
Montgomery, Mineralogy of Pennsylvania 1922-1965, p. 78
 
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