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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Marcasite from
Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway


08229600017367315532328.jpg
Marcasite, etc.

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
07886990017272033506624.jpg
Marcasite

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
02205270017272033517101.jpg
Marcasite

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
00855800017473064549100.jpg
Marcasite

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
04222920017364879887389.jpg
Marcasite, etc.

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
06600600017367315548097.jpg
Marcasite

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
05543830017363973184490.jpg
Marcasite

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
00879920017467302877521.jpg
Marcasite

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
09729680017367315541960.jpg
Marcasite, etc.

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
08333820017272033526459.jpg
Marcasite

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
02205270017272033517101.jpg
Marcasite

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
08440250017473064546828.jpg
Marcasite

Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
Locality type:Mine
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite1
Pyrite1
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Dalen-Kjørholt Mine, Brevik, Porsgrunn, Telemark, Norway
Photo GalleryView Gallery (8 photos)
Data Identifiers
Mindat Occurrence Record ID:169779
Long-form Identifier:1:3:169779:7
GUID (UUID V4):0
Nearest other occurrences of Marcasite
10.2km (6.3 miles) ⓘA/S Granit Quarry, Tuften, Tvedalen, Larvik Commune, Vestfold, Norway
12.0km (7.4 miles) ⓘØstskogen Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
27.7km (17.2 miles) ⓘSkallist Quarry, Klåstad, Tjølling, Larvik Commune, Vestfold, Norway
27.7km (17.2 miles) ⓘKlåstad Quarry, Klåstad, Tjølling, Larvik Commune, Vestfold, Norway
39.3km (24.4 miles) ⓘFlekkeren, Skien, Telemark, Norway
47.7km (29.7 miles) ⓘFrodeåsen Tunnel, Tønsberg, Vestfold, Norway
57.0km (35.4 miles) ⓘSolumsåsen Quarry, Holmestrand, Vestfold, Norway
59.7km (37.1 miles) ⓘKisgruva, Kongsberg, Buskerud, Norway
62.1km (38.6 miles) ⓘRoadcut RV 35, Eidsfoss Church, Eidsfoss, Hof, Holmestrand, Vestfold, Norway
65.6km (40.7 miles) ⓘKongens Mine, Overberget Mining Field, Kongsberg, Buskerud, Norway
References
Nordrum, Fred Steinar (1993) De siste års mineralfunn i Dalen-Kjørholt gruve, in Telemark I. STEIN. Nordisk magasin for populær geologi, 20 (2) 100-110
 
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