| Locality type: | Mine |
| Classification |
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| Species: | Tremolite |
| Formula: | ◻Ca2Mg5(Si8O22)(OH)2 |
| Confirmation |
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|
| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tremolite 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: | 1493863 |
| Long-form Identifier: | 1:3:1493863:0 |
| GUID (UUID V4): | 4dc18327-bc08-4fe6-a40d-79855bb9d71c |
| Nearest other occurrences of Tremolite |
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|
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| 18.3km (11.4 miles) | ⓘVermiculite Mine (MRDS - 10013422), Gem Park complex, Fremont County, Colorado, USA |
| 32.0km (19.9 miles) | ⓘFour Claim Group, Currant Creek Area, Guffey Mining District (Freshwater Mining District), Fremont County, Colorado, USA |
| 35.9km (22.3 miles) | ⓘCalumet Mine (Calumet; Calumet No. 2; Hecla; Hecla No. 2; Calumet Iron Mine; Calumet-Hecla-Smithville Magnetite deposit; Patented Placer claims: Calumet; Hecla-Williamson; Smithville No. 2; CF&I Company Mine), Turret Mining District, Chaffee County, Colorado, USA |
| 38.1km (23.7 miles) | ⓘSedalia Mine (Sedalia Copper Mine), Sedalia Mining District, Chaffee County, Colorado, USA |
| 38.7km (24.0 miles) | ⓘAce High - Jackpot Prospect, Turret Mining District, Chaffee County, Colorado, USA |
| 42.4km (26.3 miles) | ⓘBetty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park 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 |
| 62.3km (38.7 miles) | ⓘDavid H Shaft, Tomichi Mining District (White Pine Mining District), Gunnison County, Colorado, USA |
| References |
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|
Spry, P. G., McFadden, S., Teale, G. S., Alers, B., Shallow, J. M., & Glenn, J. M. (2021). Nodular sillimanite rocks as field indicators to metamorphosed massive sulfide deposits. Ore Geology Reviews, 104632. |
