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

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Latitude & Longitude (WGS84): 33° 22' 52'' North , 117° 3' 45'' West
Latitude & Longitude (decimal): 33.3811111111, -117.0625

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.

Mindat Articles

The Stewart Lithia Tourmaline Mine by E. R. Swoboda 2000 by Scott L. Ritchie

Mineral List

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

45 valid minerals. 3 (TL) - type locality of valid minerals.

Localities in this Region


The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


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.

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.

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.

Sinkankas, J. (1988), Beryl: A Summary. Rocks & Minerals 63(01): p. 21.

Robinson, George W. & King, Vandall T. (1989), What's New in Minerals? Sixteenth Annual Rochester Academy of Science Mineralogical Symposium. Mineralogical Record, Volume 20, Number 5: p. 399.

Bartsch, J. A. (1990), Collections and Displays: California State Mining and Mineral Museum, Mariposa, California. Rocks & Minerals 65(01): p. 45.

Dunning, Gail E. & Cooper, Joseph F. Jr. (1998), Namibite: A Summary of World Occurrences. Mineralogical Record, Volume 29, Number 3: p. 164.

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

Morton, D. et al. (2011), Petrogenesis of the Li-bearing Stewart Pegmatite, Pala, California. Unpublished manuscript: 15 pages, charts and photographs.

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