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
Eliáš Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic


Locality type:Mine
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Uraninite
Uranopilite
Zippeite
Associated Minerals Based on Photo Data:
Pseudojohannite1
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Eliáš Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:112805
Long-form Identifier:1:3:112805:5
GUID (UUID V4):0
Nearest other occurrences of Gypsum
0.8km (0.5 miles) ⓘRovnost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
0.9km (0.6 miles) ⓘČervená vein, Rovnost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
1.2km (0.7 miles) ⓘGeister vein, Rovnost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
1.2km (0.8 miles) ⓘEduard Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
2.0km (1.3 miles) ⓘSvornost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
2.1km (1.3 miles) ⓘGeschieber vein, Svornost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
2.1km (1.3 miles) ⓘJan Evangelista vein, Svornost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
7.5km (4.7 miles) ⓘZlatý Kopec skarn deposit, Zlatý Kopec, Boží Dar, Karlovy Vary District, Karlovy Vary Region, Czech Republic
12.6km (7.9 miles) ⓘČeské Hamry phonolite quarry, České Hamry, Vejprty, Chomutov District, Ústí nad Labem Region, Czech Republic
14.0km (8.7 miles) ⓘPöhla-Tellerhäuser Mine, Pöhla, Schwarzenberg, Erzgebirgskreis, Saxony, Germany
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.599
Hloušek, Jan; Tvrdý, Jaromir (2002) Interessante Sekundärmineralien aus Jáchymov [Interesting secondary minerals from Jáchymov]. Lapis, 27 (7-8). 44-66
 
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