| Locality type: | Mine |
| Classification |
|---|
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6 (T6O18)(BO3)3X3Z |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tourmaline 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: | 34979 |
| Long-form Identifier: | 1:3:34979:6 |
| GUID (UUID V4): | 276ff9bd-c56a-460b-a0ba-9ce456f9398b |
| Nearest other occurrences of Tourmaline |
|---|
|
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| 13.2km (8.2 miles) | ⓘHighway 50 roadcut, Texas Creek Area, Fremont County, Colorado, USA |
| 14.2km (8.8 miles) | ⓘJim 3 Mine, Lookout Mountain Area, Fremont County, Colorado, USA |
| 14.3km (8.9 miles) | ⓘHorsepasture Pegmatites Occurrence, Lookout Mountain Area, Fremont County, Colorado, USA |
| 14.5km (9.0 miles) | ⓘIlmenite Pegmatite Occurrence (MRDS - 10010868), Lookout Mountain Area, Fremont County, Colorado, USA |
| 15.2km (9.5 miles) | ⓘChief lithium pegmatite, Texas Creek Area, Fremont County, Colorado, USA |
| 21.5km (13.4 miles) | ⓘSpikebuck Mine, McIntyre Hills Area, Fremont County, Colorado, USA |
| 26.6km (16.6 miles) | ⓘGreen Mountain Mine (Copper Boy Mine), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
| 26.9km (16.7 miles) | ⓘGypse Queen Mine, Cleora Mining District, Chaffee County, Colorado, USA |
| 27.5km (17.1 miles) | ⓘStockton Mine (Gertrude Vein), Cleora Mining District, Chaffee County, Colorado, USA |
| 33.6km (20.9 miles) | ⓘConsolidated Feldspar Corporation Mine (Feldspar Corporation Mine), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA |
| References |
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