| Locality type: | Mine |
| Classification |
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| Species: | Native Copper |
| Formula: | Cu |
| Comments: | May just be copper in ore |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Native Copper data |
| Locality Data: | Click here to view Longfellow, Jamestown Mining District, Boulder County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 371985 |
| Long-form Identifier: | 1:3:371985:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Native Copper |
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| 14.1km (8.8 miles) | ⓘBaxter (Boston; Columbia; Madelaine; Niwot; Sullivan No. 5; Utica Occurrence), Ward Mining District, Boulder County, Colorado, USA |
| 14.6km (9.1 miles) | ⓘCopper Glance, Sunset, Boulder County, Colorado, USA |
| 26.5km (16.5 miles) | ⓘChampion; Lone Star Occurrence, Phoenix, Gilpin County, Colorado, USA |
| 30.7km (19.1 miles) | ⓘPenobscot Tunnel, Independence Mining District (Perigo Mining District), Gilpin County, Colorado, USA |
| 30.9km (19.2 miles) | ⓘMelrose Tunnel Occurrence, Apex Mining District (Kingston Mining District; Pine Mining District), Gilpin County, Colorado, USA |
| 35.9km (22.3 miles) | ⓘMackey; Annie; Fish, Apex Mining District (Kingston Mining District; Pine Mining District), Gilpin County, Colorado, USA |
| 39.1km (24.3 miles) | ⓘGregory Mine, Eureka Mining District, Gilpin County, Colorado, USA |
| 42.6km (26.5 miles) | ⓘMoose Mine, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA |
| 44.6km (27.7 miles) | ⓘBeaver, Grand County, Colorado, USA |
| 45.2km (28.1 miles) | ⓘTom Boy (Treasure Vault; John Paul Jones; Edna Fannie; Golden Treasure), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| References |
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