| Locality type: | Mine |
| Classification |
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| Species: | Marcasite |
| Formula: | FeS2 |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Marcasite data |
| Locality Data: | Click here to view Silver Harbour Mine (Beck Mine; Three A Mine; 3 A), MacGregor Township, Thunder Bay District, Ontario, Canada |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 655474 |
| Long-form Identifier: | 1:3:655474:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Marcasite |
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| 23.3km (14.5 miles) | ⓘEmmons mine, McIntyre Township, Thunder Bay District, Ontario, Canada |
| 24.7km (15.4 miles) | ⓘSilver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada |
| 27.0km (16.8 miles) | ⓘThunder Bay Amethyst Mine, McTavish Township, Thunder Bay District, Ontario, Canada |
| 42.9km (26.6 miles) | ⓘParsons Mine (Lily of the Valley Mine), Paipoonge Township, Thunder Bay District, Ontario, Canada |
| 44.6km (27.7 miles) | ⓘFederal Mine (Copeland's vein), Paipoonge Township, Thunder Bay District, Ontario, Canada |
| 67.8km (42.1 miles) | ⓘCrystal Lake Intrusion, Pardee Township, Thunder Bay District, Ontario, Canada |
| 68.1km (42.3 miles) | ⓘGreat Lakes Nickel prospect, Pardee Township, Thunder Bay District, Ontario, Canada |
| 86.3km (53.6 miles) | ⓘLac des Iles Complex, Lac des Iles Area, Thunder Bay District, Ontario, Canada |
| 86.7km (53.9 miles) | ⓘLac des Iles Mine, Lac des Iles Area, Thunder Bay District, Ontario, Canada |
| References |
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