| Locality type: | Slag Locality |
| Classification |
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| Species: | Posnjakite |
| Formula: | Cu4(SO4)(OH)6 · H2O |
| Formation: | Post-mining/Anthropogenic |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Schulenbergite | ⓘ2 photos of Posnjakite associated with Schulenbergite at this locality. |
| Data |
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| Mineral Data: | Click here to view Posnjakite data |
| Locality Data: | Click here to view Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 31004 |
| Long-form Identifier: | 1:3:31004:0 |
| GUID (UUID V4): | 6030eb35-b914-417c-92eb-d2357326dd57 |
| Nearest other occurrences of Posnjakite |
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| 8.4km (5.2 miles) | ⓘLautenthal smelter slag locality, Lautenthal, Langelsheim, Goslar District, Lower Saxony, Germany |
| 9.6km (6.0 miles) | ⓘGlücksrad Mine, Oberschulenberg, Clausthal-Zellerfeld, Goslar District, Lower Saxony, Germany |
| 26.6km (16.5 miles) | ⓘLudwig-Rudolf Mine, Braunlage, Goslar District, Lower Saxony, Germany |
| 26.8km (16.6 miles) | ⓘDas Aufgeklärte Glück Mine (Aufgeklärtes Glück Mine), Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany |
| 28.2km (17.5 miles) | ⓘLouise Charlotte Mine, Dränge valley, Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany |
| 61.8km (38.4 miles) | ⓘPfaffenberg Mine, Neudorf, Harzgerode, Harz, Saxony-Anhalt, Germany |
| References |
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Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany