Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Siderophyllite from
Høydalen, Tørdal, Drangedal, Telemark, Norway


Locality type:Quarry
Classification
Species:Siderophyllite
Formula:KFe22+Al(Al2Si2O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderophyllite data
Locality Data:Click here to view Høydalen, Tørdal, Drangedal, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:1233757
Long-form Identifier:1:3:1233757:2
GUID (UUID V4):0
Nearest other occurrences of Siderophyllite
0.7km (0.5 miles) ⓘHeftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
3.4km (2.1 miles) ⓘBratterud pegmatite, Tørdal, Drangedal, Telemark, Norway
49.8km (30.9 miles) ⓘLindvikskollen Quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway
49.9km (31.0 miles) ⓘKalstadgangen, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway
76.6km (47.6 miles) ⓘSøndrestjenn 1 (Skåremyr), Søndrestjenn, Birkenes, Agder, Norway
84.9km (52.8 miles) ⓘVaselona (Begervannet 01), Begervannet, Birkenes, Agder, Norway
89.6km (55.7 miles) ⓘLi 02 Feldspar Quarry (Li gruve), Li, Evje og Hornnes, Agder, Norway
References
Rosing-Schow, Nanna, Müller, Axel, Friis, Henrik (2018) Glimmere i norske pegmatitter [Micas in Norwegian pegmatites]. Norsk Mineralsymposium 2018, 57-62
 
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