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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Andradite from
Breigangen Mine, Fossum Iron Mines, Skien, Telemark, Norway


Locality type:Mine
Classification
Species:Andradite
Formula:Ca3Fe23+(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Andradite data
Locality Data:Click here to view Breigangen Mine, Fossum Iron Mines, Skien, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:347238
Long-form Identifier:1:3:347238:5
GUID (UUID V4):0
Nearest other occurrences of Andradite
1.0km (0.6 miles) ⓘRiser Mine, Skien, Telemark, Norway
1.5km (0.9 miles) ⓘSandgruven North, Skien, Telemark, Norway
1.6km (1.0 miles) ⓘFossum Iron Mines, Skien, Telemark, Norway
6.1km (3.8 miles) ⓘFaret, Skien, Telemark, Norway
8.8km (5.4 miles) ⓘDyrkollgruven, Stulen ore field, Skien, Telemark, Norway
14.8km (9.2 miles) ⓘBuer, Bjørkedalen, Porsgrunn, Telemark, Norway
14.9km (9.3 miles) ⓘMelteig Farm, Nome, Telemark, Norway
16.4km (10.2 miles) ⓘKjølsrød, Bjørkedalen, Porsgrunn, Telemark, Norway
17.5km (10.9 miles) ⓘE18 roadcuts, Slevolden, Porsgrunn, Telemark, Norway
17.7km (11.0 miles) ⓘFlekkeren, Skien, Telemark, Norway
References
Larsen, A. O., Dahlgren, S. (2002) Ilvaite from the Oslo Graben, Norway. Neues Jahrbuch für Mineralogie - Monatshefte, 2002 (4) 169-181 doi:10.1127/0028-3649/2002/2002-0169
 
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