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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Alunogen from
Korozluky magmatic rock occurrence (Kolosoruk magmatic rock occurrence; Kolloseruk magmatic rock occurrence), Korozluky, Most District, Ústí nad Labem Region, Czech Republic


Locality type:Occurrence
Classification
Species:Alunogen
Formula:Al2(SO4)3 · 17H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Alunogen data
Locality Data:Click here to view Korozluky magmatic rock occurrence (Kolosoruk magmatic rock occurrence; Kolloseruk magmatic rock occurrence), Korozluky, Most District, Ústí nad Labem Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:465473
Long-form Identifier:1:3:465473:5
GUID (UUID V4):0
Nearest other occurrences of Alunogen
24.6km (15.3 miles) ⓘVrchoslav fluorite deposit, Vrchoslav, Krupka, Teplice District, Ústí nad Labem Region, Czech Republic
41.6km (25.9 miles) ⓘKladno mine, Libušin, Kladno District, Central Bohemian Region, Czech Republic
51.8km (32.2 miles) ⓘValachov Hill, Skřivaň, Pavlíkov, Rakovník District, Central Bohemian Region, Czech Republic
58.2km (36.1 miles) ⓘWilli Agatz mine, Dresden, Saxony, Germany
58.2km (36.2 miles) ⓘCarola Mine, Döhlen, Freital, Sächsische Schweiz-Osterzgebirge, Saxony, Germany
61.8km (38.4 miles) ⓘPravčice rock arch, Děčín District, Ústí nad Labem Region, Czech Republic
89.5km (55.6 miles) ⓘLill Mine, Černojamské deposit, Březové Hory, Příbram, Příbram District, Central Bohemian Region, Czech Republic
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.p.539
 
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