| Locality type: | Mine |
| Classification |
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| Species: | Pyrrhotite |
| Formula: | Fe1-xS |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Pyrrhotite data |
| Locality Data: | Click here to view Isle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 403247 |
| Long-form Identifier: | 1:3:403247:2 |
| GUID (UUID V4): | 28509e05-f966-4919-bcc0-9756edea7e42 |
| Nearest other occurrences of Pyrrhotite |
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| 46.4km (28.8 miles) | ⓘBIC deposit (Bovine Igneous Complex), Baraga County, Michigan, USA |
| 65.0km (40.4 miles) | ⓘYellow Dog peridotite, Marquette County, Michigan, USA |
| 65.8km (40.9 miles) | ⓘEagle Mine, Marquette County, Michigan, USA |
| 67.2km (41.8 miles) | ⓘEcho Lake Intrusion, Ontonagon County, Michigan, USA |
| 76.5km (47.5 miles) | ⓘSilver Creek - Island Lake, Marquette County, Michigan, USA |
| 79.5km (49.4 miles) | ⓘChampion Mine, Champion, Marquette County, Michigan, USA |
| 80.0km (49.7 miles) | ⓘHills Lake, Marquette County, Michigan, USA |
| 80.5km (50.0 miles) | ⓘSilver Creek West prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Marquette County, Michigan, USA |
| 88.4km (54.9 miles) | ⓘCrockley pegmatite, Republic, Marquette County, Michigan, USA |
| 89.3km (55.5 miles) | ⓘMichigan Mine (Michigan Gold Mine), North Lake, Ely Township, Marquette County, Michigan, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (issue) | | . . . . 3.50 C•ppar wlu11cl I■ Calcite xis., Michigan. Fair quality. 2 ½ x I ½ . . . . . 2.50 C.rlBiniN... fancy sapphire (which would involve no larger mines are developed and run by ' the reduction in value)...Calcutta is in the middle of a huge six of the mines. These were selected as : an ficial Bood-plain or...electrical industry. I was lucky the dike. The mines are first developed l in• enough to secure a letter...further 80% baits There are hundred-. of producing mines, or so by weight goes to the scrap heap. This final |
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