San Diego Mineral and Gem Society (SDMG) (sdmg-editor)

The Pegmatite is the official bulletin of the San Diego Mineral and Gem Society, Inc. (SDMG). Ten issues of the bulletin are published annually (September through June). Founded in 1934, the mission of SDMG is to disseminate knowledge of mineralogy and earth sciences; to encourage the study of these subjects; to conduct classes in mineralogy and lapidary arts; to conduct field trips for the collection and study of specimens; to encourage interest in mineralogy and lapidary arts among young people; and to procure and maintain a collection related to the earth sciences and lapidary arts.

Collection: The Pegmatite bulletin

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