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Orthoclase from
Upper Salmons View prospect, Pala Chief Mine (Chief mine; MS 6452; Salmons mine), Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA

Locality type:Prospect
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Comments:Orthoclase and microcline are widespread constituents of the pocket zones in the pegmatites where they generally form large, equant crystals with well-developed faces. The orthoclase is intimately associated with perthite, and is more abundant than the perthite in the pocket pegmatite of some dikes. In general, however, the orthoclase constitutes only a small fraction of the total potash feldspar within the dikes as a whole.
Confirmation
Validity:Believed Valid
References
References:Jahns, R. H. and Wright, L. A. (1951), Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A: 14, 31-32.
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Upper Salmons View prospect, Pala Chief Mine (Chief mine; MS 6452; Salmons mine), Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
Nearest other occurrences of Orthoclase
0.0km (0.0 miles) Lower Salmons View prospect, Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
1.0km (0.6 miles) Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
1.3km (0.8 miles) Tourmaline Queen Mine (MS 6458; Queen mine; Tourmaline Queen group; Tourmaline Queen No. 1 claim; Tourmaline Queen No. 2 claim; Tourmaline Queen No. 3 claim), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
1.3km (0.8 miles) Pala Douglass Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
1.7km (1.1 miles) Tourmaline King Mine (Gem claim; King mine; MS 4500; MS 4926; Schuyler mine; Wilke mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
2.1km (1.3 miles) Katerina Mine (Ashley mine; Caterina mine; Catherin mine; Catherina mine; Katrina mine), Hiriart Mountain (Hariat Mtn; Harriot Mtn; Heriart Mtn; Heriot Mtn; Hiriat Hill), Pala, Pala Mining District, San Diego County, California, USA
2.1km (1.3 miles) White Queen Mine (Queen mine; White Queen prospect), Hiriart Mountain (Hariat Mtn; Harriot Mtn; Heriart Mtn; Heriot Mtn; Hiriat Hill), Pala, Pala Mining District, San Diego County, California, USA
2.4km (1.5 miles) Hiriart Mine (MS 5391), Hiriart Mountain (Hariat Mtn; Harriot Mtn; Heriart Mtn; Heriot Mtn; Hiriat Hill), Pala, Pala Mining District, San Diego County, California, USA
2.8km (1.7 miles) El Molino Mine (El Molino pegmatite; MS 5391), Hiriart Mountain (Hariat Mtn; Harriot Mtn; Heriart Mtn; Heriot Mtn; Hiriat Hill), Pala, Pala Mining District, San Diego County, California, USA
16.7km (10.4 miles) Mack Mine (John Mac mine; Mac mine; San Luis Rey claim), Rincon Mountain, Rincon, Rincon Mining District, San Diego County, California, USA
 
Mineral and/or Locality  
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