| Locality type: | Slag Locality |
| Classification |
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| Species: | Tridymite |
| Formula: | SiO2 |
| Formation: | Post-mining/Anthropogenic |
| Comments: | As star-like crystals; as pseudohexagonal, platy, 90° penetration twins; as hair- and worm-like aggregates. |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tridymite data |
| Locality Data: | Click here to view Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 76076 |
| Long-form Identifier: | 1:3:76076:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tridymite |
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| 27.6km (17.2 miles) | ⓘ"An der Seilbahn" slag locality, Hüsten, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany |
| 70.3km (43.7 miles) | ⓘGrüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany |
| 79.3km (49.3 miles) | ⓘStenzelberg, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 80.1km (49.8 miles) | ⓘPerlenhardt, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 80.8km (50.2 miles) | ⓘLohrberg, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 82.0km (50.9 miles) | ⓘWolkenburg, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 82.6km (51.3 miles) | ⓘDrachenfels, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany |
| 91.3km (56.7 miles) | ⓘTrachyte quarry, Weidenhahn, Selters (Westerwald), Westerwaldkreis, Rhineland-Palatinate, Germany |
| References |
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Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany