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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Columbite-(Fe) from
Grub Quarries, Grub, Rinchnach, Regen District, Lower Bavaria, Bavaria, Germany


Locality type:Quarry
Classification
Species:Columbite-(Fe)
Formula:Fe2+Nb2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Columbite-(Fe) data
Locality Data:Click here to view Grub Quarries, Grub, Rinchnach, Regen District, Lower Bavaria, Bavaria, Germany
Data Identifiers
Mindat Occurrence Record ID:627166
Long-form Identifier:1:3:627166:4
GUID (UUID V4):0
Nearest other occurrences of Columbite-(Fe)
14.2km (8.8 miles) ⓘHühnerkobel Mine (Hennenkobel Mine), Rabenstein, Zwiesel, Regen District, Lower Bavaria, Bavaria, Germany
40.1km (24.9 miles) ⓘEitzing Quarry, Oberfrauenwald, Waldkirchen, Freyung-Grafenau District, Lower Bavaria, Bavaria, Germany
74.1km (46.1 miles) ⓘNová Ves pegmatite, Nová Ves, Český Krumlov District, South Bohemian Region, Czech Republic
96.1km (59.7 miles) ⓘSilbergrube, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
97.8km (60.8 miles) ⓘHagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
98.1km (61.0 miles) ⓘHagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
98.2km (61.0 miles) ⓘHagendorf North Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
98.3km (61.1 miles) ⓘTrutzhofmühle aplite, Pleystein, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
99.3km (61.7 miles) ⓘMiesbrunn pegmatite–aplite swarm, Pleystein, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
99.5km (61.8 miles) ⓘKreuzberg (Rose quartz cliff), Pleystein, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
References
King, Van (n.d.) Personal communcation.
 
and/or  
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