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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Millerite from
Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany


07812140017368494901028.jpg
Millerite

Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
07812140017368494901028.jpg
Millerite

Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
00710860017272048359207.jpg
Millerite

Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
Locality type:Colliery
Classification
Species:Millerite
Formula:NiS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Millerite data
Locality Data:Click here to view Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:85574
Long-form Identifier:1:3:85574:7
GUID (UUID V4):0
Nearest other occurrences of Millerite
2.5km (1.5 miles) ⓘNordstern mine, Herzogenrath, Aachen, Cologne, North Rhine-Westphalia, Germany
6.3km (3.9 miles) ⓘDomaniale mine, Kerkrade, Limburg, Netherlands
7.7km (4.8 miles) ⓘEmil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
7.9km (4.9 miles) ⓘLaura mine, Eygelshoven, Kerkrade, Limburg, Netherlands
13.9km (8.7 miles) ⓘEmma-Hendrik coal dump, Brunssum, Limburg, Netherlands
14.5km (9.0 miles) ⓘHendrik mine, Brunssum, Limburg, Netherlands
16.2km (10.1 miles) ⓘEmma mine, Brunssum, Limburg, Netherlands
20.5km (12.7 miles) ⓘBleyberg mine, Plombières, Liège, Wallonia, Belgium
20.8km (12.9 miles) ⓘSophia-Jacoba Mine, Hückelhoven, Heinsberg, Cologne, North Rhine-Westphalia, Germany
26.7km (16.6 miles) ⓘMaurits mine, Geleen, Sittard-Geleen, Limburg, Netherlands
References
Maas, H. H. (1977) Neuere Mineralienfunde im Aachener Steinkohlenrevier. Der Aufschluss, 28 (2) 69-73
 
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