| Locality type: | Open-Cast Mine |
| Classification |
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| Species: | Strengite |
| Formula: | FePO4 · 2H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Laueite | 1 |
| Jahnsite Subgroup | 1 |
| Data |
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| Mineral Data: | Click here to view Strengite data |
| Locality Data: | Click here to view Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 80355 |
| Long-form Identifier: | 1:3:80355:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Strengite |
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| 9.6km (6.0 miles) | ⓘWhite Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA |
| 10.8km (6.7 miles) | ⓘBull Moose Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 11.3km (7.0 miles) | ⓘRoosevelt group (Rough Rider), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 18.8km (11.7 miles) | ⓘGap Lode Pegmatite, Unorganized mining district [5], Pennington County, South Dakota, USA |
| 27.2km (16.9 miles) | ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 30.3km (18.9 miles) | ⓘBarker-Ferguson Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| References |
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Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA