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Nepheline from
Spearfish Peak (Black Butte), Spearfish, Lawrence County, South Dakota, USA


Locality type:Peak
Classification
Species:Nepheline
Formula:Na3K(Al4Si4O16)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nepheline data
Locality Data:Click here to view Spearfish Peak (Black Butte), Spearfish, Lawrence County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:214778
Long-form Identifier:1:3:214778:9
GUID (UUID V4):0
Nearest other occurrences of Nepheline
47.5km (29.5 miles) ⓘBull Hill nepheline-syenite deposit (Bull Hill carbonatite; Bear Lodge carbonatite), Bear Lodge alkaline igneous complex, Crook County, Wyoming, USA
References
Roberts, Willard Lincoln, Rapp, George Jr. (1965) Mineralogy of the Black Hills. Bulletin 18. South Dakota School of Mines and Technology
 
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