Tourmaline from selected localities.
USA | |
| Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: pages 140-142. |
Fender, Michael and Allison, Terry (2007) | |
Weber, F. H. 1963. Geology and mineral resources of San Diego County, California. California Division of Mines and Geology, County Report 3: pages 99, 105, 108; plate 5. | |
San Diego Mining Company (1996), Field investigations of the Sunshine Valley area; undocumented pegmatites and gemstone prospects. Ramona, San Diego County, California. | |
San Diego Mining Company (1996), Field investigations of the Sunshine Valley area; undocumented pegmatites and gemstone prospects. Ramona, San Diego County, California. | |
[var: Verdelite] San Diego Mining Company (1996) | |
Foord, Eugene E. et al (1989), Mineralogy and Paragenesis of the Little Three Mine Pegmatites, Ramona District, San Diego County, California. Mineralogical Record, 20(2): p. 112-118.; David London, George B. Morgan VI, and James L. Maner (2016) Pegmatites of the Little Three mine, Ramona, San Diego County, California. in Second Eugene E. Foord Pegmatite Symposium July 15-19, 2016 Colorado School of Mines campus, Golden, Colorado | |
Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 148-49. | |
Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 150. | |
Weber, F. H. 1963. Geology and mineral resources of San Diego County, California. California Division of Mines and Geology, County Report 3: pages 87, 98, 112; plate 5. | |
Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 146-47. |
Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA