| Locality type: | Mine |
| Classification |
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| Species: | Nontronite |
| Formula: | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Nontronite data |
| Locality Data: | Click here to view Silberbrünnle Mine, Gengenbach, Gengenbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 26692 |
| Long-form Identifier: | 1:3:26692:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Nontronite |
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| 12.5km (7.7 miles) | ⓘClara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany |
| 19.3km (12.0 miles) | ⓘAmphibolite quarry (Vulkan quarry), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany |
| 62.4km (38.7 miles) | ⓘHersbach quarry, Wisches, Molsheim, Bas-Rhin, Grand Est, France |
| 66.6km (41.4 miles) | ⓘKrunkelbach Valley Uranium deposit, Menzenschwand, St Blasien, Waldshut, Freiburg Region, Baden-Württemberg, Germany |
| 67.4km (41.9 miles) | ⓘMünstergrund Mine, St Trudpert, Münstertal, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany |
| 70.4km (43.7 miles) | ⓘTannenboden mine, Aitern, Lörrach, Freiburg Region, Baden-Württemberg, Germany |
| References |
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