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Pyrosmalite-(Fe) from
Kristiansen Quarry (Bånkall Quarry), Bånkall, Grorud, Oslo, Norway


Locality type:Quarry
Classification
Species:Pyrosmalite-(Fe)
Formula:Fe82+Si6O15(OH,Cl)10
Comments:On faces of orthoclase.
Both pyrosmaltite-(Fe) and pyrosmaltite-(Mn) are present in the material analyzed (Kvamsdal & Husdal 2014)
Habit:Hemispheres 1mm in diameter consisting of radiating crystals
Colour:Yellowish-green
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrosmalite-(Fe) data
Locality Data:Click here to view Kristiansen Quarry (Bånkall Quarry), Bånkall, Grorud, Oslo, Norway
Data Identifiers
Mindat Occurrence Record ID:293116
Long-form Identifier:1:3:293116:6
GUID (UUID V4):0
Nearest other occurrences of Pyrosmalite-(Fe)
0.9km (0.6 miles) ⓘBånkall, Grorud, Oslo, Norway
References
Oftedal, Ivar; Ahlberg, Per; Sæbø, Per Christian (1965) Contributions to the mineralogy of Norway. No. 30. Minerals from nordmarkite druses. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 45 (2). p.171-175.
Kvamsdal, Lars O. (1998) Mineralene fra Nordmarkitt og Grefsensyenitt i Oslofeltet [The minerals from the nordmarkite and grefsensyenites in the Oslo region area]. Privat publication, AS Merkur-Trykk, Oslo. p.1-72.
Kvamsdal, Lars O., Husdal, Tomas (2014) Pyrosmalitt-(Mn) og pyrosmalitt-(Fe) fra Norge. STEIN. Magasin for populærgeologi, 41 (2) 24-25
 
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