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
Grassy Creek Mine, Grassy Creek, Mitchell County, North Carolina, 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 Grassy Creek Mine, Grassy Creek, Mitchell County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:66902
Long-form Identifier:1:3:66902:5
GUID (UUID V4):0
Nearest other occurrences of Samarskite-(Y)
5.8km (3.6 miles) ⓘWiseman Mine (Old Mart Wiseman Mine; Sullins-Wiseman Mine), Greasy Creek Township, Spruce Pine, Mitchell County, North Carolina, USA
5.8km (3.6 miles) ⓘEnglish Mine (English Knob Mine), Spruce Pine, Mitchell County, North Carolina, USA
6.4km (4.0 miles) ⓘCalhoun Smith Mine, Mitchell County, North Carolina, USA
7.3km (4.5 miles) ⓘMcKinney Mine (Power Mill Creek Mine), Spruce Pine, Mitchell County, North Carolina, USA
7.4km (4.6 miles) ⓘPink Mine, Mitchell County, North Carolina, USA
8.0km (5.0 miles) ⓘHoppus Mine, Mitchell County, North Carolina, USA
8.7km (5.4 miles) ⓘField Mine, Crabtree Creek, Mitchell County, North Carolina, USA
9.5km (5.9 miles) ⓘCarolina Mineral Company No. 20 Mine (Old 20 Mine), Crabtree Creek, Yancey County, North Carolina, USA
10.6km (6.6 miles) ⓘSally Knob Mine, Celo, Yancey County, North Carolina, USA
23.4km (14.5 miles) ⓘPeterson Mine, Toe River, Yancey County, North Carolina, USA
References
Dana 6:740.
 
and/or  
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