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
Idria Mine (Idrija Mine), Idrija, Slovenia


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cinnabar1
Pyrite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Idria Mine (Idrija Mine), Idrija, Slovenia
Data Identifiers
Mindat Occurrence Record ID:43956
Long-form Identifier:1:3:43956:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
13.6km (8.5 miles) ⓘŽirovski Vrh uranium mine, Gorenja Vas–Poljane, Slovenia
20.2km (12.6 miles) ⓘČrni vrh, Dobrova–Polhov Gradec, Slovenia
20.7km (12.9 miles) ⓘOsojnik, Blegoš, Gorenja Vas–Poljane, Slovenia
24.2km (15.0 miles) ⓘSopotnia, Škofja Loka, Slovenia
25.1km (15.6 miles) ⓘBreznica pod Lubnikom, Škofja Loka, Slovenia
30.9km (19.2 miles) ⓘCrngrob, Škofja Loka, Slovenia
34.9km (21.7 miles) ⓘŠentvid tunnel, Ljubljana, Slovenia
36.7km (22.8 miles) ⓘDebeli vrh, Slivnica Mountain, Cerknica, Slovenia
46.5km (28.9 miles) ⓘZagradišče, Sostro, Ljubljana, Slovenia
47.4km (29.5 miles) ⓘMedvedica, Grosuplje, Slovenia
References
Bancroft, Peter, Zorz, Mirjan, Kobler, Gregor, Car, Joze (1991) Famous Mineral Localities: The Idria mines, Slovenia, Yugoslavia. The Mineralogical Record, 22 (3) 201-208pp.207-207
 
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