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
Breigangen Mine, Fossum Iron Mines, Skien, Telemark, Norway


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 Breigangen Mine, Fossum Iron Mines, Skien, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:724751
Long-form Identifier:1:3:724751:4
GUID (UUID V4):0
Nearest other occurrences of Magnetite
0.9km (0.6 miles) ⓘLanggangen Mine, Fossum Iron Mines, Skien, Telemark, Norway
1.0km (0.6 miles) ⓘRiser Mine, Skien, Telemark, Norway
1.2km (0.7 miles) ⓘGlaseren Mine, Fossum Iron Mines, Skien, Telemark, Norway
1.5km (0.9 miles) ⓘSandgruven North, Skien, Telemark, Norway
1.6km (1.0 miles) ⓘFossum Iron Mines, Skien, Telemark, Norway
2.3km (1.4 miles) ⓘBruberg Mine, Fossum Iron Mines, Skien, Telemark, Norway
2.4km (1.5 miles) ⓘGeita Mine, Fossum Iron Mines, Skien, Telemark, Norway
2.7km (1.7 miles) ⓘKåseli prospect, Skien, Telemark, Norway
3.6km (2.2 miles) ⓘMagneten Mine, Fossum Iron Mines, Skien, Telemark, Norway
4.3km (2.7 miles) ⓘPrebgruven, Skien, Telemark, Norway
References
Scheerer, Th. (1845) Geognostisk-mineralogiske Skizzer, samlede paa en Reise i Sommeren 1842 [Geognostic-mineralogical Sketches collected during a travel in the Summer of 1842 ]. Nyt magazin for naturvidenskaberne [New magazine for the natural sciences], 4. 126-164
 
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