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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Gypsum from
Mežica Mines, Mežica, Slovenia


Locality type:Mine
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Comments:Elongated crystals can be found embedded in marl or clay, and also as thin coatings on limestone and sulfides (Bancroft et al., 1991)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Mežica Mines, Mežica, Slovenia
Data Identifiers
Mindat Occurrence Record ID:38422
Long-form Identifier:1:3:38422:1
GUID (UUID V4):0
Nearest other occurrences of Gypsum
8.7km (5.4 miles) ⓘSchmelz slag locality, Feistritz ob Bleiburg, Völkermarkt District, Carinthia, Austria
17.6km (10.9 miles) ⓘCu deposit, Rijavitzagraben (Jeravitzagraben; Jeravica; Remscheniggraben), Bad Eisenkappel, Eisenkappel-Vellach, Völkermarkt District, Carinthia, Austria
17.6km (10.9 miles) ⓘPb deposit, Rijavitzagraben (Jeravitzagraben; Jeravica; Remscheniggraben), Bad Eisenkappel, Eisenkappel-Vellach, Völkermarkt District, Carinthia, Austria
19.5km (12.1 miles) ⓘLamprechtsberg mines, Lavamünd, Wolfsberg District, Carinthia, Austria
22.3km (13.8 miles) ⓘA2 Highway tunnel, Haberberg, St. Kollmann, Griffen, Völkermarkt District, Carinthia, Austria
25.1km (15.6 miles) ⓘGrafenstein Alp District, Zauchen, Eisenkappel-Vellach, Völkermarkt District, Carinthia, Austria
26.5km (16.5 miles) ⓘFladung District, Eisenkappel-Vellach, Völkermarkt District, Carinthia, Austria
28.0km (17.4 miles) ⓘTrögern ravine, Ebriach, Eisenkappel-Vellach, Völkermarkt District, Carinthia, Austria
28.3km (17.6 miles) ⓘModre quarry, Dragonerfels, Rammersdorf, Völkermarkt, Völkermarkt District, Carinthia, Austria
28.8km (17.9 miles) ⓘHochobir District, Eisenkappel-Vellach, Völkermarkt District, Carinthia, Austria
References
Terzić, S.B. (1972) Thallium and mercury in minerals from the Mežica ore deposit. Geologija, 15, 361-369.
Bancroft, Peter, Zorz, Mirjan, Krivograd, Franc, Kobler, Gregor (1991) Famous Mineral Localities: The Mezice Mine, Slovenia, Yugoslavia. The Mineralogical Record, 22 (2) 97-104
 
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