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Cordierite from
Kladno, Central Bohemian Region, Czech Republic

Classification
Species:Cordierite
Formula:(Mg,Fe)2Al3(AlSi5O18)
Comments:Zacek et al. (1995), p. 28. Indialite (described as 'HT modification of cordierite') was also confirmed.
Confirmation
Validity:Believed Valid
References
References:Zacek, V., Oplustil, S., Mayova, A. & Meyer, F. R. (1995): Die Mineralien von Kladno in Mittelböhmen, Tschechische Republik. Mineralien-Welt 6 (1), 13-30 (in German).
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Kladno, Central Bohemian Region, Czech Republic
Localities for Cordierite in this Region
Kladno Mine (Nejedlý I Mine; Zdeněk Nejedlý Mine; Schoeller Mine; Schöller Mine), Libušin, Kladno, Central Bohemian Region, Czech Republic
Nearest other occurrences of Cordierite
88.6km (55.0 miles) A Březina pegmatite, Moldanubian Zone pegmatites, Vlastějovice (Hammerstadt), Zruč nad Sázavou (Srutsch an der Sasau), Central Bohemian Region, Czech Republic
96.7km (60.1 miles) B Smolné Pece (Pechöfen), Karlovy Vary Region, Czech Republic
99.5km (61.8 miles) C Jeroným Mine, Čistá (Čistá u Rovné; Město Litrbach; Lauterbach Stadt), Krásno (Schönfeld), Horní Slavkov (Schlaggenwald), Karlovy Vary Region, Czech Republic
100.4km (62.4 miles) D Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge District, Saxony, Germany
108.1km (67.2 miles) E Bílý Kámen pegmatite, Lázně Kynžvart (Bad Königswart), Karlovy Vary Region, Czech Republic
124.5km (77.4 miles) F Ratssteinbruch, Hartmannsdorf, Chemnitz, Saxony, Germany
129.2km (80.3 miles) G Johanniszeche, Schmelz, Lam, Upper Palatinate, Bavaria, Germany
134.0km (83.3 miles) H Kalkofen Quarry, Kalkofen, Arnschwang, Upper Palatinate, Bavaria, Germany
134.5km (83.6 miles) I Großer Arber, Bayerisch Eisenstein, Lower Bavaria, Bavaria, Germany
135.3km (84.1 miles) J Jihlava (Iglau), Jihlava District, Vysočina Region, Czech Republic
135.9km (84.4 miles) K Ktiš (Tisch), Prachatice (Prachatitz), South Bohemian Region, Czech Republic
135.9km (84.4 miles) L Streuberg Quarry, Bergen, Bergen U deposit, Zobes-Bergen District, Vogtland, Saxony, Germany
136.3km (84.7 miles) M Eck Quarry, Arnbruck, Lower Bavaria, Bavaria, Germany
137.9km (85.7 miles) N Rother Koth Mine (Rotkot Mine), Theresiental, Zwiesel, Lower Bavaria, Bavaria, Germany
140.1km (87.1 miles) O Silberberg Mine, Bodenmais, Lower Bavaria, Bavaria, Germany
143.6km (89.2 miles) P Steinach, Leuchtenberg, Upper Palatinate, Bavaria, Germany
146.4km (91.0 miles) Q Kateřina Coal Mine, Radvanice, Trutnov (Trautenau), Hradec Králové Region, Czech Republic
160.3km (99.6 miles) R Horní Bory, Křižanov, Žďár nad Sázavou District, Vysočina Region, Czech Republic
161.9km (100.6 miles) S Pielgrzymka, Złotoryja, Lower Silesia, Poland
164.0km (101.9 miles) T Oberhaag, Aigen im Mühlkreis, Rohrbach, Mühlviertel, Upper Austria, Austria
168.7km (104.8 miles) U Heidlbrunn, Aigen im Mühlkreis, Rohrbach, Mühlviertel, Upper Austria, Austria
169.3km (105.2 miles) V Himmelleiten Quarry, Roßbach, Wald, Upper Palatinate, Bavaria, Germany
171.0km (106.2 miles) W Unterurasch (Kasbach), Rohrbach, Mühlviertel, Upper Austria, Austria
174.2km (108.3 miles) X Köckendorf-Afisl, Helfenberg, Rohrbach, Mühlviertel, Upper Austria, Austria
178.5km (110.9 miles) Y Rainbach im Mühlkreis, Freistadt, Mühlviertel, Upper Austria, Austria
179.3km (111.4 miles) Z Hengl Quarry, Eibenstein an der Thaya, Raabs an der Thaya, Waldviertel, Lower Austria, Austria
180.7km (112.3 miles) 0 Moserberg, Grünbach, Freistadt, Mühlviertel, Upper Austria, Austria
182.9km (113.7 miles) 1 Häuslern, Groß-Gerungs, Waldviertel, Lower Austria, Austria
209.9km (130.5 miles) 2 Lower serpentinite quarry, Zwettler Leiten, Felling, Gföhl, Waldviertel, Lower Austria, Austria
210.1km (130.5 miles) 3 Hohenstein, Gföhl, Waldviertel, Lower Austria, Austria
210.8km (131.0 miles) 4 Hartenstein castle, Maigen, Weinzierl am Walde, Waldviertel, Lower Austria, Austria
228.6km (142.1 miles) 5 Schwaigbichl (Schwaigbichel), Hessendorf, Dunkelsteinerwald, Dunkelstein Forest, Mostviertel, Lower Austria, Austria
229.2km (142.4 miles) 6 Gneiss quarry, Ebersdorf (Lehen-Ebersdorf), Klein-Pöchlarn, Waldviertel, Lower Austria, Austria
Mineral and/or Locality  
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