|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Dakota > Nepheline Syenite|
|Locality:||1 mile NE of Etta Mine, Keystone District, Pennington County, South Dakota|
|Description:||Specimen of nepheline syenite containing a mixture of several minerals. Nalle suggested the presence of riebeckite, nepheline, cancrinite, etc. Ex. Peter B. Nalle (1923-2010) collection #334; collected 1946|
|Overall Size:||7x7x3 cm|
|Status:||Sold - Posted here for reference only|
|Buy similar:||Minerals from Midwest, USA > Mica & other Silicates|
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