| Locality type: | Open-Cast Mine |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Maubacher Bleiberg, Hürtgenwald, Düren, Cologne, North Rhine-Westphalia, Germany |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 103916 |
| Long-form Identifier: | 1:3:103916:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 29.6km (18.4 miles) | ⓘKäskorb sand pit, Kelmis, Liège, Wallonia, Belgium |
| 44.9km (27.9 miles) | ⓘGemeentegrot quarry, Valkenburg aan de Geul, Limburg, Netherlands |
| 45.3km (28.1 miles) | ⓘSibbe quarry, Sibbe, Valkenburg aan de Geul, Limburg, Netherlands |
| 47.3km (29.4 miles) | ⓘ't Rooth quarry, Bemelen, Eijsden-Margraten, Limburg, Netherlands |
| 48.5km (30.1 miles) | ⓘOneux mines, Oneux, Theux, Liège, Wallonia, Belgium |
| 49.3km (30.6 miles) | ⓘCurfs quarry, Berg en Terblijt, Valkenburg aan de Geul, Limburg, Netherlands |
| 50.3km (31.2 miles) | ⓘChâteau de Berneau, Berneau, Dalhem, Liège, Wallonia, Belgium |
| 52.0km (32.3 miles) | ⓘRabenlay (Rabenley), Oberkassel, Beuel, Bonn, Cologne, North Rhine-Westphalia, Germany |
| 53.2km (33.1 miles) | ⓘCaestert mine, Pietersberg, Maastricht, Limburg, Netherlands |
| 54.2km (33.7 miles) | ⓘMarnebel quarry, Eben-Emael, Bassenge, Liège, Wallonia, Belgium |
| References |
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