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Nepheline from
Esperanza Mine [new] (Esperanza pit; Esperanza open pit mines; West Esperanza Mine), Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USA

Classification
Species:Nepheline
Formula:Na3K(Al4Si4O16)
Comments:Occurs in nepheline syenite in an exploratory drill hole.
Confirmation
Validity:Believed Valid
References
References:Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 312; Schmidt, H.A., et al (1959), Disseminated deposits at the Esperanza copper mine, in Southern AZ Guidebook II, AZ Geol. Soc. Digest: 2: 205.
Data
Mineral Data:Click here to view Nepheline data
Locality Data:Click here to view Esperanza Mine [new] (Esperanza pit; Esperanza open pit mines; West Esperanza Mine), Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USA
 
Mineral and/or Locality  
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