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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Sphalerite from
Kylmäkoski Ni-Cu mine, Akaa, Pirkanmaa, Finland


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Kylmäkoski Ni-Cu mine, Akaa, Pirkanmaa, Finland
Data Identifiers
Mindat Occurrence Record ID:854580
Long-form Identifier:1:3:854580:0
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
28.7km (17.8 miles) ⓘPyörönmaa pegmatite, Valkeakoski, Pirkanmaa, Finland
36.8km (22.8 miles) ⓘEkojoki Ni-Cu deposit, Vammala, Sastamala, Pirkanmaa, Finland
40.1km (24.9 miles) ⓘKiimassuo pegmatite, Forssa, Kanta-Häme, Finland
40.2km (25.0 miles) ⓘHäiviäntien pegmatite, Forssa, Kanta-Häme, Finland
43.8km (27.2 miles) ⓘRitakallio, Huittinen, Satakunta, Finland
45.6km (28.3 miles) ⓘHieronmäki, Hattula, Kanta-Häme, Finland
48.2km (30.0 miles) ⓘHvittis meteorite, Huittinen, Satakunta, Finland
48.9km (30.4 miles) ⓘRiukka prospect, Somero, Southwest Finland, Finland
49.5km (30.7 miles) ⓘJokisivu (Kujankallio), Huittinen, Satakunta, Finland
60.1km (37.4 miles) ⓘTupala deposit, Somero, Southwest Finland, Finland
References
Gervilla, F.; Papunen, H.; Kojonen, K.; Johanson, B. (1998) Platinum-, palladium- and gold-rich arsenide ores from the Kylmäkoski Ni-Cu deposit. Mineralogy and Petrology, 64 (1-4). 163-185 doi:10.1007/bf01226568
 
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