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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Spessartine from
Birkeland 04 Feldspar Quarry, Birkeland, Iveland, Agder, Norway


Locality type:Quarry
Classification
Species:Spessartine
Formula:Mn32+Al2(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Spessartine data
Locality Data:Click here to view Birkeland 04 Feldspar Quarry, Birkeland, Iveland, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:558391
Long-form Identifier:1:3:558391:1
GUID (UUID V4):0
Nearest other occurrences of Spessartine
0.2km (0.1 miles) ⓘBirkeland 02 Feldspar Quarry, Birkeland, Iveland, Agder, Norway
0.5km (0.3 miles) ⓘBirkeland, Iveland, Agder, Norway
1.5km (0.9 miles) ⓘEptevatnet 04 Feldspar Quarry (Hovåsen), Iveland, Agder, Norway
1.8km (1.1 miles) ⓘFrikstad 07 Feldspar Quarry, Frikstad, Iveland, Agder, Norway
3.3km (2.1 miles) ⓘHåverstad 08b Prospect, Håverstad, Iveland, Agder, Norway
3.5km (2.2 miles) ⓘFrikstad 02 Feldspar Quarry (Litjern), Frikstad, Iveland, Agder, Norway
4.1km (2.5 miles) ⓘRostadheia, Mølland, Iveland, Agder, Norway
4.1km (2.6 miles) ⓘLauvland 01 Feldspar Quarry (Skavdalen), Skavdalen, Lauvland, Evje og Hornnes, Agder, Norway
4.5km (2.8 miles) ⓘLjosland 04 (Thortveitittgruva), Knipan (Knipane), Ljosland, Iveland, Agder, Norway
4.9km (3.0 miles) ⓘFossbekk Feldspar Quarry, Iveland, Agder, Norway
References
Frigstad, Ole Fridtjof (1999) Amazonittpegmatitter i Iveland-Evje [Amazonite-pegmatites in Iveland-Evje]. Norsk Bergverksmuseum Skrift, 15. 60-73
 
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