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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Quartz from
Eräpyhä pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland


Locality type:Pegmatite
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Eräpyhä pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
Data Identifiers
Mindat Occurrence Record ID:830669
Long-form Identifier:1:3:830669:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.3km (2.7 miles) ⓘKatila, Eräjärvi area, Orivesi, Pirkanmaa, Finland
8.6km (5.3 miles) ⓘKatottomanvuori, Eräjärvi area, Orivesi, Pirkanmaa, Finland
11.9km (7.4 miles) ⓘViitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
17.7km (11.0 miles) ⓘKutemajärvi mine, Orivesi, Pirkanmaa, Finland
42.3km (26.3 miles) ⓘKaapelinkulma, Valkeakoski, Pirkanmaa, Finland
46.3km (28.8 miles) ⓘNiemikylä granite quarries, Kuru, Ylöjärvi, Pirkanmaa, Finland
47.9km (29.7 miles) ⓘVatanen, Pirkkala, Pirkanmaa, Finland
52.7km (32.7 miles) ⓘMoottoritie, Valkeakoski, Pirkanmaa, Finland
62.3km (38.7 miles) ⓘKeurusselkä impact structure, Pirkanmaa, Finland
66.1km (41.1 miles) ⓘKuuslahti, Hämeenlinna, Kanta-Häme, Finland
References
Lahti, Seppo I. (1981) On the granitic pegmatites of the Eräjärvi area in Orivesi, southern Finland. Bulletin de la Commission Géologique de Finlande Vol. 314. Geological Survey of Finland
 
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