| Locality type: | Tunnel |
| Classification |
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| Species: | Siderite |
| Formula: | FeCO3 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Siderite data |
| Locality Data: | Click here to view Two Brothers Tunnel, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 608978 |
| Long-form Identifier: | 1:3:608978:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Siderite |
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| 1.7km (1.0 miles) | ⓘGalatea adit (Hudson-Burr), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 1.7km (1.1 miles) | ⓘFreeman Shaft, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 1.8km (1.1 miles) | ⓘFranklin Shaft No. 87, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 1.9km (1.2 miles) | ⓘSilver Age Mine, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 1.9km (1.2 miles) | ⓘVeto Shaft, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 2.7km (1.7 miles) | ⓘBell adit, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 2.8km (1.7 miles) | ⓘCentral City; Cherokee; Carroll; Woodmire; Rara Avis, Eureka Mining District, Gilpin County, Colorado, USA |
| 3.0km (1.8 miles) | ⓘPatch Mine, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA |
| 3.3km (2.0 miles) | ⓘLake Tunnel - Lower, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 3.5km (2.2 miles) | ⓘHubert (Prize), Central City Mining District (Central Mining District), Gilpin County, Colorado, USA |
| References |
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