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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Microcline from
Gåsgruvan Quarry, Persberg ore district, Filipstad, Värmland County, Sweden


Locality type:Quarry
Classification
Species:Microcline
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Gåsgruvan Quarry, Persberg ore district, Filipstad, Värmland County, Sweden
Data Identifiers
Mindat Occurrence Record ID:276705
Long-form Identifier:1:3:276705:5
GUID (UUID V4):0
Nearest other occurrences of Microcline
7.0km (4.4 miles) ⓘGruvåsen mines, Persberg ore district, Filipstad, Värmland County, Sweden
7.4km (4.6 miles) ⓘÅskagen Quarry, Persberg ore district, Filipstad, Värmland County, Sweden
7.6km (4.8 miles) ⓘHarstigen Mine, Pajsberg, Persberg ore district, Filipstad, Värmland County, Sweden
12.7km (7.9 miles) ⓘJakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
12.8km (8.0 miles) ⓘNordmark Odal Field, Filipstad, Värmland County, Sweden
14.0km (8.7 miles) ⓘLångban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
14.8km (9.2 miles) ⓘUpper Leptitehalleflinta group, Hällefors, Örebro County, Sweden
15.5km (9.7 miles) ⓘLahäll Mines, Långban Ore District, Filipstad, Värmland County, Sweden
22.3km (13.9 miles) ⓘSjögruvan, Grythyttan, Hällefors, Örebro County, Sweden
34.4km (21.4 miles) ⓘSkärhyttan, Rockesholm, Nora, Örebro County, Sweden
References
Östra Värmlands Mineral Society,Långban,Sweden
 
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