Locality type: | Mine |
Classification |
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Species: | Forsterite |
Formula: | Mg2SiO4 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Forsterite 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: | 388201 |
Long-form Identifier: | 1:3:388201:6 |
GUID (UUID V4): | 118b6b02-0352-46fc-b1a3-cea339ccb459 |
Nearest other occurrences of Forsterite |
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38.6km (24.0 miles) | ⓘSouth Park Basalt (2), South Park, Park County, Colorado, USA |
42.4km (26.3 miles) | ⓘBetty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park County, Colorado, USA |
61.4km (38.2 miles) | ⓘPortland Mine (Portland No. 1), Cripple Creek, Cripple Creek Mining District, Teller County, Colorado, USA |
68.2km (42.4 miles) | ⓘMarion Mine, Custer County, Colorado, USA |
76.0km (47.2 miles) | ⓘBadger Mountain, Guffey Mining District, Park 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. |