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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Goethite from
Tinfoss Jernverks Quartz Quarry, Lake Heddal, Notodden, Telemark, Norway


Locality type:Quarry
Classification
Species:Goethite
Formula:Fe3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Tinfoss Jernverks Quartz Quarry, Lake Heddal, Notodden, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:88457
Long-form Identifier:1:3:88457:2
GUID (UUID V4):0
Nearest other occurrences of Goethite
20.4km (12.7 miles) ⓘKisgruva, Kongsberg, Buskerud, Norway
26.8km (16.7 miles) ⓘHydro Quarry, Nome, Telemark, Norway
27.4km (17.0 miles) ⓘGrønvoldvegen Road Cut (Mn oxide vein), Nome, Telemark, Norway
36.2km (22.5 miles) ⓘBakstevalåsen, Gunhildrud, Øvre Eiker, Buskerud, Norway
39.5km (24.5 miles) ⓘVadretteskogen, Skien, Telemark, Norway
43.1km (26.8 miles) ⓘRundemyr, Øvre Eiker, Buskerud, Norway
45.6km (28.3 miles) ⓘHaslestad Quarry, Hof, Holmestrand, Vestfold, Norway
46.8km (29.1 miles) ⓘHoltehædde, Hedrum, Larvik Commune, Vestfold, Norway
47.9km (29.8 miles) ⓘBremsåsen mine, Mjøndalen, Drammen, Buskerud, Norway
47.9km (29.8 miles) ⓘHøydalen, Tørdal, Drangedal, Telemark, Norway
References
Werner, Ronald (1998) Tinfos jernverks kvartsbrudd. Turkis fra Notodden [Tinfos Iron works quartz quarry. Turquoise from Notodden]. STEIN. Nordisk magasin for populær geologi, 25 (2) 6-7
 
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