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Stewart Mine (MS 6162; Stewart Lithia), Tourmaline Queen Mountain (Pala; Queen), Pala District, San Diego Co., California, USA

A complex and highly mineralized granitic pegmatite-aplite dike, located near the village of Pala. The pegmatite was originally mined during the late 19th and early 20th centuries as a source of lithium from massive pods of lepidolite that occur in the dike. Was reopened in the late 1960's as a gem mine and has periodically produced specimens and gem material of elbaite, as well as morganite and kunzite. The mine is particularly known for its reddish-pink elbaite.

The deposit is on private land, patented in 1949 by Blanche C. Crane.



References:
Fisher, J. 2002. Gem and rare-element pegmatites of southern California. Mineralogical Record, Volume 33, Number 5: pages 376-378, photographs.

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: pages 59-61.

Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: pages 55-57; 124-125.

Merrill, F. J. H. 1914. Geology and Mineral Resources of San Diego and Imperial Counties: Gems, Lithia Minerals. California State Mining Bureau, San Francisco, Cal. California State Printing Office, December. Chapter 1, pages 61-110.

Mineralogical Record: 20(5): 399.

Mineralogical Record: 29: 164.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 282, 730, 1051.

Rocks & Minerals (1988): 63: 21.

Rocks & Minerals (1990): 65: 45.







Map Reference: 33°22'52"N , 117°3'45"W

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Mineral list contains entries from the region specified including sub-localities


Mineral List:
Albite
var: Cleavelandite
'Albite-Anorthite Series'
Almandine
'Amblygonite-Montebrasite Series'
'Apatite'
Bermanite
Beryl
var: Goshenite

var: Heliodor
var: Morganite
Beyerite
Biotite
Bismuth
Bismuthinite
Bismutite
Chrysocolla
Columbite-(Mn)
Cookeite
Digenite
Elbaite
'Feldspar Group'
'Garnet Group'
Hureaulite
Jahnsite-(MnMnMn) (TL)
Kaolinite
Lepidolite
Lithiophilite
'Manganese Oxides'
'Mica Group'
Microcline
Montmorillonite
Muscovite
Namibite
Orthoclase
'Perthite'
Phosphosiderite
Pseudomalachite
Pucherite
Purpurite
Quartz
'Salmonsite'
Schorl
Sicklerite (TL)
Spessartine
Spodumene
var: Kunzite
Stewartite (TL)
Stibiotantalite
Strengite
Tantalite-(Mn)
Tosudite
var: Lithium Tosudite

'Tourmaline'
'var: Indicolite'
'var: Rubellite'
'var: Verdelite'
Triphylite
Triplite
Vivianite
Wardite
Zircon


97 entries listed. 38 valid minerals. 3 type localities (valid minerals). 1 erroneous literature entry.

Localities in this Region:
USA
 
  • California
    • San Diego Co.
      • Pala District
        • Tourmaline Queen Mountain (Pala; Queen)
          • Stewart Mine (MS 6162; Stewart Lithia)

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in California, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 9th Nov 2009 03:28:15