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Cordierite from
Königsfeld im Schwarzwald, Freiburg im Breisgau, Black Forest, Baden-Württemberg, Germany

Classification
Species:Cordierite
Formula:(Mg,Fe)2Al3(AlSi5O18)
Confirmation
Validity:Believed Valid
References
References:Osann, Alfred (1927). Die Mineralien Badens. Schweizerbart'sche Verlagsb., Stgt.
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Königsfeld im Schwarzwald, Freiburg im Breisgau, Black Forest, Baden-Württemberg, Germany
Nearest other occurrences of Cordierite
30.5km (19.0 miles) A Clara Mine, Rankach valley, Oberwolfach, Wolfach, Ortenaukreis, Baden-Württemberg, Germany
40.2km (24.9 miles) B Zeigerhalde, Oberried, Black Forest, Baden-Württemberg, Germany
50.9km (31.6 miles) C Porphyry quarry, Detzeln, Waldshut, Black Forest, Baden-Württemberg, Germany
53.2km (33.0 miles) D Fohberg Quarry (Hauri Quarry), Bötzingen, Kaiserstuhl, Baden-Württemberg, Germany
115.1km (71.5 miles) E Les Bas Rupts, Gérardmer, Vosges, Grand Est, France
117.0km (72.7 miles) F Barbey-Seroux, Vosges, Grand Est, France
155.5km (96.6 miles) G Michelsberg Quarry, Katzenbuckel, Eberbach, Odenwald, Baden-Württemberg, Germany
175.8km (109.2 miles) H Linck marble works, Hochstädten, Bensheim, Odenwald, Hesse, Germany
181.5km (112.8 miles) I Schaumberg, Tholey, St Wendel, Saarland, Germany
188.6km (117.2 miles) J Schattenspitze, Ochsen valley, Silvretta Alps, Montafon, Vorarlberg, Austria
191.0km (118.7 miles) K Sponda Alp - Pizzo Forno, Chironico Valley, Leventina, Ticino (Tessin), Switzerland
217.3km (135.0 miles) L Chete-Canete area, Villa di Chiavenna, Bregaglia Valley, Valchiavenna, Sondrio Province, Lombardy, Italy
222.0km (137.9 miles) M Pizzo Trubinasca, Bondasca Valley, Bregaglia Valley (Bergell), Grischun (Grisons; Graubünden), Switzerland
Mineral and/or Locality  
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