| Locality type: | Mine |
| Classification |
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| Species: | Marcasite |
| Formula: | FeS2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Marcasite data |
| Locality Data: | Click here to view O'Brien Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 102204 |
| Long-form Identifier: | 1:3:102204:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Marcasite |
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| 1.6km (1.0 miles) | ⓘNipissing 404, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| 1.6km (1.0 miles) | ⓘVein 113, Nipissing 404, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| 1.8km (1.1 miles) | ⓘReinhardt Cross Lake Property, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| 1.9km (1.2 miles) | ⓘDeer Horn Mine (Cross Lake O'Brien Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| 2.0km (1.2 miles) | ⓘJuno Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| 2.9km (1.8 miles) | ⓘSilverfields mine (Alexandra mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| 3.3km (2.1 miles) | ⓘUniversity Mine (Giroux Lake Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| 3.6km (2.3 miles) | ⓘHellens-Eplett Mine, Bucke Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| 5.7km (3.5 miles) | ⓘVictory Mine (Silver Banner Mine; Gifford Extension), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| 21.2km (13.2 miles) | ⓘLangis Mine (Casey Cobalt ; Casey-Seneca), Casey Township, Cobalt Area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada |
| References |
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