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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Analcime from
Almunge complex, Almunge, Uppsala, Uppsala County, Sweden


Locality type:Complex
Classification
Species:Analcime
Formula:Na(AlSi2O6) · H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Analcime data
Locality Data:Click here to view Almunge complex, Almunge, Uppsala, Uppsala County, Sweden
Data Identifiers
Mindat Occurrence Record ID:57602
Long-form Identifier:1:3:57602:6
GUID (UUID V4):0
Nearest other occurrences of Analcime
41.6km (25.9 miles) ⓘVäddö, Norrtälje, Stockholm County, Sweden
43.6km (27.1 miles) ⓘEdeby, Väddö, Norrtälje, Stockholm County, Sweden
54.2km (33.7 miles) ⓘLiäng Limestone Q., Östhammar, Uppsala County, Sweden
58.5km (36.4 miles) ⓘForsmark Nuclear Power Plant, Östhammar, Uppsala County, Sweden
References
Quensel, P. (1912) Undersökningar öfver alkalisyeniten och nefelinsyenit-bergarterna i Almunge socken i Upland [Investigations of the alkali syenite and nepheline syenite rocks in Almunge parish in Upland], in Mötet den 5 december 1912. Geologiska Föreningen i Stockholm Förhandlingar, 34 (7). 695-700
Quensel, P. D. (1913) The alkaline rocks of Almunge. Bulletin of the Geological Institution of the University of Upsala, 12. 129-200
Gorbatschev, R. (1958) On the alkali rocks of Almunge. A preliminary report on a new survey. Bulletin of the Geological Institution of the University of Upsala, 39. 1-69
Doig, Ronald (1970) An alkaline rock province linking Europe and North America. Canadian Journal of Earth Sciences, 7 (1) 22-28 doi:10.1139/e70-002
Gorbatschev, Roland (1970) K-Ar age of biotite from the Almunge alkaline intrusion. Geologiska Föreningen i Stockholm Förhandlingar, 92 (4) 501-502 doi:10.1080/11035897009452981
 
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