Surprise Mine, Ramona, Ramona District, San Diego Co., California, USA

Latitude: 33°3'10"N
Longitude: 116°47'20"W

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A gem-bearing granite pegmatite deposit located 7.4 km (4.6 miles) east of Ramona. Elevation approx. 1997' AMSL.

References

Kunz, George Frederick (1905a), Gems, jewelers’ materials, and ornamental stones of California: California Division Mines Bulletin 37, 171 pp.: 49, 52, 146-147.

Ford, William Ebenezer (1906), Some interesting beryl crystals and their association: American Journal of Science, 4th. Series: 22: 217-223.

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: 72.

Rocks & Minerals (1943): 18: 207.

Sinkankas, J. (1957a) Recent gem mining at Ramona, San Diego County, California. Gems and Gemology: 8: 367-373.

Sinkankas, J. (1959) Gemstones of North America. D. Van Nostrand Co., New York, 675 pp.: 103.

Snyder, Doris (1962), Wonderful world of pegmatite minerals: Part I: Gems & Minerals, No. 293: 24-26, Feb, 1962.

Weber, F. H. (1963a), Geology and mineral resources of San Diego County, California. California Division of Mines and Geology, County Report 3: 87, 112, Pl. 5.

Simpson, Dale R. (1965) Geology of the central part of the Ramona pegmatite district, San Diego County, California. Clifornia Division of Mines and Geology Special Report 86: 22.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 103, 195, 368.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 454, 499.

Mineral List

21 entries listed. 12 valid minerals. 1 erroneous literature entry.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 25th Jun 2011 16:48:18