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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Cordierite from
Jeroným Mine, Čistá, Rovná, Sokolov District, Karlovy Vary Region, Czech Republic


Locality type:Mine
Classification
Species:Cordierite
Formula:Mg2Al4Si5O18
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Jeroným Mine, Čistá, Rovná, Sokolov District, Karlovy Vary Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:560639
Long-form Identifier:1:3:560639:9
GUID (UUID V4):0
Nearest other occurrences of Cordierite
12.5km (7.8 miles) ⓘBílý Kámen pegmatite quarry, Lázně Kynžvart, Cheb District, Karlovy Vary Region, Czech Republic
21.1km (13.1 miles) ⓘSmolné Pece, Karlovy Vary District, Karlovy Vary Region, Czech Republic
22.7km (14.1 miles) ⓘZadní Chodov deposit (Hinterkotten deposit), Zadní Chodov, Tachov District, Plzeň Region, Czech Republic
51.9km (32.2 miles) ⓘStreuberg Quarry, Bergen, Vogtlandkreis, Saxony, Germany
52.0km (32.3 miles) ⓘTheuma quarry, Theuma, Vogtlandkreis, Saxony, Germany
52.7km (32.7 miles) ⓘMiesbrunn pegmatite–aplite swarm, Pleystein, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
53.2km (33.0 miles) ⓘKösseine granite quarry, Kösseine, Tröstauer Forst-Ost, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
53.3km (33.1 miles) ⓘGranite quarries, Schurbach, Waldershof, Tirschenreuth District, Upper Palatinate, Bavaria, Germany
60.1km (37.4 miles) ⓘTurmalin outcrop (Turmalinschurf Irfersgrün), Hirschfeld, Zwickau District, Saxony, Germany
62.7km (39.0 miles) ⓘGreifensteine, Ehrenfriedersdorf, Erzgebirgskreis, Saxony, Germany
References
Janečka, J., Just, J., Kušnír, I.: Zpráva o výzkumu a výpočet zásob Sn-rud na ložisku Jeroným v Čisté ve Slavkovském lese (stav ke dni 1.7.1966). Loket: MS, Ústřední ústav geologický Praha, 1966. 86 s.
 
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