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Tourmaline from
B 33 Road tunnel, Hornberg, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany


Locality type:Tunnel
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view B 33 Road tunnel, Hornberg, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Data Identifiers
Mindat Occurrence Record ID:360938
Long-form Identifier:1:3:360938:5
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
2.4km (1.5 miles) ⓘNiederwasser, Hornberg, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
21.9km (13.6 miles) ⓘRoßgrabeneck, Zell am Harmersbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
33.9km (21.1 miles) ⓘFuchsköpfle quarry, Herdern, Freiburg im Breisgau, Freiburg Region, Baden-Württemberg, Germany
34.7km (21.6 miles) ⓘHochfirst, Langenbach valley, Titisee-Neustadt, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
43.4km (27.0 miles) ⓘOssola quarry, Kappelrodeck, Kappelrodeck, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
59.1km (36.7 miles) ⓘKlemmbach quarry (Schweighof quarry), Schweighof, Badenweiler, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
59.6km (37.0 miles) ⓘPorphyry quarry, Detzeln, Waldshut-Tiengen, Waldshut, Freiburg Region, Baden-Württemberg, Germany
63.7km (39.6 miles) ⓘAm Gleichen quarry, Lütschenbach quarries, Lütschenbach, Malsburg, Malsburg-Marzell, Lörrach, Freiburg Region, Baden-Württemberg, Germany
64.5km (40.1 miles) ⓘSeider quarry, Lütschenbach quarries, Lütschenbach, Malsburg, Malsburg-Marzell, Lörrach, Freiburg Region, Baden-Württemberg, Germany
68.6km (42.6 miles) ⓘSeelbach quarry, Hütten, Rickenbach, Waldshut, Freiburg Region, Baden-Württemberg, Germany
References
Gröbner, J. & Schrenk, D. (2005): Die Mineralien des Tunnels bei Hornberg. Der Erzgräber 19, 17-25. (in German)
 
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