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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Malachite from
Mutta Mine, Grua mining district, Lunner, Akershus, Norway


Locality type:Mine
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Mutta Mine, Grua mining district, Lunner, Akershus, Norway
Data Identifiers
Mindat Occurrence Record ID:239273
Long-form Identifier:1:3:239273:8
GUID (UUID V4):0
Nearest other occurrences of Malachite
0.9km (0.5 miles) ⓘSkjerpemyr Mine, Grua mining district, Lunner, Akershus, Norway
1.4km (0.9 miles) ⓘLykkens Prøve, Grua mining district, Lunner, Akershus, Norway
2.8km (1.7 miles) ⓘNyseter Zinc Mines, Grua mining district, Lunner, Akershus, Norway
15.1km (9.4 miles) ⓘErdmann Mine, Engelstadvangen, Elsjø Mining Field, Nannestad, Akershus, Norway
19.5km (12.1 miles) ⓘVardeåsen Pb prospect, Nannestad, Akershus, Norway
31.7km (19.7 miles) ⓘVettakollen, Oslomarka, Oslo, Norway
32.0km (19.9 miles) ⓘBjønndalen Quarry, Nittedal, Akershus, Norway
34.2km (21.2 miles) ⓘHuken Quarry, Grorud, Oslo, Norway
34.7km (21.5 miles) ⓘRambydalen Quarry, Ullensaker, Akershus, Norway
34.9km (21.7 miles) ⓘRomsås Mine, Oslomarka, Oslo, Norway
References
Frigstad, O. F., Lynneberg, T. F. (1969) Nye mineraler fra Grua. Mineralogisk-Geologisk Museum - Universitetet i Oslo- Interne notater, Geologisk Museums venner. 25
Raade, Gunnar (1995) Secondary Zn and Cu minerals from contact deposits of the Oslo region, Norway. Norsk Bergverksmuseum Skrift, 9. 8-26
 
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