| Classification |
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| Species: | Sillimanite |
| Formula: | Al2(SiO4)O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Calcite | 1 |
| Data |
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| Mineral Data: | Click here to view Sillimanite data |
| Locality Data: | Click here to view Finkenberg, Bonn, Cologne, North Rhine-Westphalia, Germany |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 406744 |
| Long-form Identifier: | 1:3:406744:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Sillimanite |
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| 7.2km (4.5 miles) | ⓘPetersberg, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 7.8km (4.8 miles) | ⓘLyngsberg (Lühnsberg; Lünsberg), Bad Godesberg, Bonn, Cologne, North Rhine-Westphalia, Germany |
| 9.4km (5.9 miles) | ⓘDrachenfels, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 10.0km (6.2 miles) | ⓘÖlberg (Oelberg), Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 11.0km (6.8 miles) | ⓘDächelsberg, Niederbachem, Wachtberg, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 11.4km (7.1 miles) | ⓘPerlenhardt, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 15.7km (9.7 miles) | ⓘUnkelstein, Unkelbach, Remagen, Ahrweiler, Rhineland-Palatinate, Germany |
| 16.3km (10.1 miles) | ⓘDungberg (Dungkopf), Unkelbach, Remagen, Ahrweiler, Rhineland-Palatinate, Germany |
| 34.5km (21.4 miles) | ⓘHüttenberg sand pit, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany |
| 35.6km (22.1 miles) | ⓘGleeser Felder, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany |
| References |
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Finkenberg, Bonn, Cologne, North Rhine-Westphalia, Germany