| Locality type: | Mine |
| 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 Cotopaxi Mine (Cotopaxi lode; Gumaer Mine; Fannie lode; Fannie Mill), Mine Gulch, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 34976 |
| Long-form Identifier: | 1:3:34976:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Siderite |
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| 14.0km (8.7 miles) | ⓘRoad Gulch, Fremont County, Colorado, USA |
| 14.4km (9.0 miles) | ⓘHomestake No. 2 Claim (Homestake No. 6; Homestake Claims), Fremont County, Colorado, USA |
| 14.5km (9.0 miles) | ⓘDreamers Hope Claim, Fremont County, Colorado, USA |
| 19.4km (12.0 miles) | ⓘYellow Pine Barite Vein Occurrence, Waugh Mountain Area, Fremont County, Colorado, USA |
| 21.9km (13.6 miles) | ⓘOrient Iron Mine (Caesar; MS 11400; Valley View; MS 8940; Vivia B.; MS 4988; Runaway; MS 1539; Prospector; MS 1505; Villa Grove), Orient Mining District, Saguache County, Colorado, USA |
| 29.0km (18.0 miles) | ⓘTitusville and Westfall Gulch Prospects (Grape Claims No. 2 1-19 1977; Unpatented Claims: Arbor Claims No. 1-9), Westfall Gulch, Fremont County, Colorado, USA |
| 30.3km (18.8 miles) | ⓘBlack Beauty Deposit (Crater Deposit), Cleora Mining District, Chaffee County, Colorado, USA |
| 30.6km (19.0 miles) | ⓘBear Claims Nos. 1 and 2 1977 (Old Cunac Property; Wagner-Grape Creek Lode), East Pierce Gulch Area, Fremont County, Colorado, USA |
| 32.1km (19.9 miles) | ⓘBull-Domingo Mine, Silver Cliff Mining District, Custer County, Colorado, USA |
| 33.4km (20.7 miles) | ⓘPennie Poker Occurrence (Penny Poker), McKinley Mountain Area, Custer County, Colorado, USA |
| References |
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