| Locality type: | Quarry |
| Classification |
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| Species: | Opal var: Opal-AN |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Opal-AN data |
| Locality Data: | Click here to view Humberg quarries, Burkheim, Vogtsburg im Kaiserstuhl, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 25511 |
| Long-form Identifier: | 1:3:25511:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal-AN |
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| 3.1km (1.9 miles) | ⓘEichert, Sasbach am Kaiserstuhl, Emmendingen, Freiburg Region, Baden-Württemberg, Germany |
| 3.6km (2.2 miles) | ⓘKirchberg Quarry, Oberrotweil, Vogtsburg im Kaiserstuhl, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany |
| 4.5km (2.8 miles) | ⓘLimberg Quarries, Sasbach am Kaiserstuhl, Emmendingen, Freiburg Region, Baden-Württemberg, Germany |
| 7.5km (4.6 miles) | ⓘFöhrenberg, Ihringen, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany |
| 35.3km (21.9 miles) | ⓘKlemmbach quarry (Schweighof quarry), Schweighof, Badenweiler, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany |
| 41.0km (25.4 miles) | ⓘLisbühl, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany |
| 42.2km (26.2 miles) | ⓘSegen Gottes Mine (Gottes Segen Mine; Gottessegen Mine), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany |
| 42.9km (26.7 miles) | ⓘMalsburg, Malsburg-Marzell, Lörrach, Freiburg Region, Baden-Württemberg, Germany |
| 44.9km (27.9 miles) | ⓘSengalenkopf, Schönau im Schwarzwald, Lörrach, Freiburg Region, Baden-Württemberg, Germany |
| 48.2km (30.0 miles) | ⓘOffenbach valley, Hornberg, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany |
| References |
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Humberg quarries, Burkheim, Vogtsburg im Kaiserstuhl, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany