| Locality type: | Mine |
| Classification |
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| Species: | 'Serpentine Subgroup' (not an IMA approved species) |
| Formula: | D3[Si2O5](OH)4 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Serpentine Subgroup 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: | 509587 |
| Long-form Identifier: | 1:3:509587:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Serpentine Subgroup |
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| 18.3km (11.4 miles) | ⓘVermiculite Mine (MRDS - 10013422), Gem Park complex, Fremont County, Colorado, USA |
| 34.4km (21.4 miles) | ⓘDawson Gold project, Fremont County, Colorado, USA |
| 41.1km (25.6 miles) | ⓘJohn Spalding Occurrence (Spaulding), Custer County, Colorado, USA |
| 54.9km (34.1 miles) | ⓘTaylor Gulch, Monarch Mining District, Chaffee County, Colorado, USA |
| 61.9km (38.5 miles) | ⓘAnnie Hudson, Tomichi Mining District (White Pine Mining District), Gunnison County, Colorado, USA |
| 61.9km (38.5 miles) | ⓘIron King, Tomichi Mining District (White Pine Mining District), Gunnison County, Colorado, USA |
| 65.2km (40.5 miles) | ⓘStella Mountain, Tomichi Mining District (White Pine Mining District), Gunnison County, Colorado, USA |
| 65.2km (40.5 miles) | ⓘStella Mountain, Monarch Mining District, Chaffee County, Colorado, USA |
| 74.6km (46.4 miles) | ⓘGeneva Claim (1), Monarch Mining District, Chaffee County, Colorado, USA |
| 76.0km (47.2 miles) | ⓘCumberland; Sinbad; York; Deadlock; Michigan Occurrence, Tincup Mining District (Pieplant Mining District), Gunnison County, Colorado, USA |
| References |
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