Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Samarskite-(Y) from
Eight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA


Locality type:Park
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 Eight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:35077
Long-form Identifier:1:3:35077:4
GUID (UUID V4):0
Nearest other occurrences of Samarskite-(Y)
21.4km (13.3 miles) ⓘHorsepasture Pegmatites Occurrence, Lookout Mountain Area, Fremont County, Colorado, USA
21.9km (13.6 miles) ⓘJim 3 Mine, Lookout Mountain Area, Fremont County, Colorado, USA
30.4km (18.9 miles) ⓘCotopaxi Feldspar Mine (Cotopaxi Feldspar prospect; Henry pegmatite), Cotopaxi Pegmatite area, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
46.5km (28.9 miles) ⓘPikes Peak, El Paso County, Colorado, USA
50.8km (31.6 miles) ⓘBlack Cloud Mine, Teller County, Colorado, USA
51.5km (32.0 miles) ⓘMocking Bird Claim (Little Joe), Hayden Pass Area, Saguache County, Colorado, USA
53.5km (33.3 miles) ⓘBlue Bird Claim, Hayden Pass Area, Saguache County, Colorado, USA
56.9km (35.3 miles) ⓘRam Lode and Pam Lode (Ramdohrite lode), Blake Mining District (Mirage Mining District; Cotton Creek Mining District), Saguache County, Colorado, USA
58.6km (36.4 miles) ⓘJudith Claim, Crestone Mining District (Baca Grant Mining District), Saguache County, Colorado, USA
63.3km (39.3 miles) ⓘKatydid Mine (Rogers Publishing Company Mine), Wilkerson Pass Area, Park County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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