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Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
A former gemstone and specimen mine located in the NE¼ sec. 25, T18S, R12E, MDM, 1.2 km (4,000 feet) SSW of Santa Rita Peak at the headwaters of the San Benito River and New Idria, W side of the Diablo Range, about 25 miles N of Coalinga.
Mineralization is natrolite veins cutting a glaucophane schist inclusion in a serpentinite body.
Note: The majority of specimens from this locality have been prepared by dissolving away the enclosing natrolite with hydrochloric acid.
Mineral List
36 entries listed. 29 valid minerals. 6 type localities (valid minerals).
The above list contains all mineral locality references listed on mindat.org. 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
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References
Louderback, George Davis & Walter C. Blasdale (1907), Benitoite, a new California gem mineral, with chemical analysis by Walter C. Blasdale: University of California, Department of Geological Sciences Bulletin: 5: 149-153.
Arnold, Ralph (1908), Notes on the occurrence of the recently described gem material, benitoite: Science, new series: 27: 312-314.
Ford, William Ebenezer (1909), Neptunite crystals from San Benito, California: American Journal of Science, 4th. Series: 27: 235-240; […Zeitschr. Kristallographie, Band 46: 321-325 (1909)].
Louderback, George Davis & Walter C. Blasdale (1909), Benitoite, its mineralogy, paragenesis and mode of occurrence: University of California, Department of Geological Sciences Bulletin: 5: 331-380; 331, 354, 357, 359, 360, 361, 363, 376, 380.
Schaller, Waldemar Theodore (1911d), Notes on neptunite: USGS Bulletin 490: 55-57.
Palache, Charles & William Frederick Foshag (1932), The chemical nature of joaquinite: American Mineralogist: 17: 308-312.
Buttgenbach, H. (1937-38), Sur un crystal de neptunite: Soc. Geol.. de Belgique Liege Annales: 61: 324-325.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 64, 70, 72, 82, 102, 130, 169, 182, 234, 277, 279, 298, 309.
Potter, R.W. and Evans, H.T. (1976) Definitive X-ray powder data for covellite, anilite, djurleite and chalcocite. USGS Jour. Res.: 4: 205-212.
American Mineralogist (1976): 51: 381-387.
Wise, W.S & Gill, R.H. (1977): Minerals of the Benitoite Gem mine. The Mineralogical Record 8, 442-452.
Wise, W.S. & Pabst, A. (1977): Jonesite a new mineral from the Benitoite Gem mine, San Benito County, California. The Mineralogical Record 8, 453-456.
William S. Wise (1982) Strontiojoaquinite and bario-orthojoaquinite: two new members of the joaquinite group. American Mineralogist 67:809-81
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 98, 100, 216, 362, 372, 392, 399, 403, 410, 466, 467, 470, 472.
Arnold, Ralph (1908), Notes on the occurrence of the recently described gem material, benitoite: Science, new series: 27: 312-314.
Ford, William Ebenezer (1909), Neptunite crystals from San Benito, California: American Journal of Science, 4th. Series: 27: 235-240; […Zeitschr. Kristallographie, Band 46: 321-325 (1909)].
Louderback, George Davis & Walter C. Blasdale (1909), Benitoite, its mineralogy, paragenesis and mode of occurrence: University of California, Department of Geological Sciences Bulletin: 5: 331-380; 331, 354, 357, 359, 360, 361, 363, 376, 380.
Schaller, Waldemar Theodore (1911d), Notes on neptunite: USGS Bulletin 490: 55-57.
Palache, Charles & William Frederick Foshag (1932), The chemical nature of joaquinite: American Mineralogist: 17: 308-312.
Buttgenbach, H. (1937-38), Sur un crystal de neptunite: Soc. Geol.. de Belgique Liege Annales: 61: 324-325.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 64, 70, 72, 82, 102, 130, 169, 182, 234, 277, 279, 298, 309.
Potter, R.W. and Evans, H.T. (1976) Definitive X-ray powder data for covellite, anilite, djurleite and chalcocite. USGS Jour. Res.: 4: 205-212.
American Mineralogist (1976): 51: 381-387.
Wise, W.S & Gill, R.H. (1977): Minerals of the Benitoite Gem mine. The Mineralogical Record 8, 442-452.
Wise, W.S. & Pabst, A. (1977): Jonesite a new mineral from the Benitoite Gem mine, San Benito County, California. The Mineralogical Record 8, 453-456.
William S. Wise (1982) Strontiojoaquinite and bario-orthojoaquinite: two new members of the joaquinite group. American Mineralogist 67:809-81
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 98, 100, 216, 362, 372, 392, 399, 403, 410, 466, 467, 470, 472.
External Links
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