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Samarskite-(Y) from
Cotopaxi Feldspar Mine (Cotopaxi Feldspar prospect; Henry pegmatite), Cotopaxi Pegmatite area, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA


Locality type:Mine
Classification
Species:Samarskite-(Y)
Formula:YFe3+Nb2O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Samarskite-(Y) data
Locality Data:Click here to view Cotopaxi Feldspar Mine (Cotopaxi Feldspar prospect; Henry pegmatite), Cotopaxi Pegmatite area, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:34990
Long-form Identifier:1:3:34990:9
GUID (UUID V4):0
Nearest other occurrences of Samarskite-(Y)
13.1km (8.2 miles) ⓘHorsepasture Pegmatites Occurrence, Lookout Mountain Area, Fremont County, Colorado, USA
13.2km (8.2 miles) ⓘJim 3 Mine, Lookout Mountain Area, Fremont County, Colorado, USA
23.2km (14.4 miles) ⓘMocking Bird Claim (Little Joe), Hayden Pass Area, Saguache County, Colorado, USA
24.4km (15.2 miles) ⓘBlue Bird Claim, Hayden Pass Area, Saguache County, Colorado, USA
30.4km (18.9 miles) ⓘEight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
36.4km (22.6 miles) ⓘRam Lode and Pam Lode (Ramdohrite lode), Blake Mining District (Mirage Mining District; Cotton Creek Mining District), Saguache County, Colorado, USA
40.0km (24.9 miles) ⓘJudith Claim, Crestone Mining District (Baca Grant Mining District), Saguache County, Colorado, USA
69.8km (43.4 miles) ⓘKatydid Mine (Rogers Publishing Company Mine), Wilkerson Pass Area, Park County, Colorado, USA
70.2km (43.6 miles) ⓘBlack Cloud Mine, Teller County, Colorado, USA
72.1km (44.8 miles) ⓘPikes Peak, El Paso County, Colorado, USA
References
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. 676pp.pp.14-15
 
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