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Neptunite from
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

Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
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; Louderback, George Davis & Walter C. Blasdale (1909), Benitoite, its mineralogy, paragenesis and mode of occurrence: University of California, Department of Geological Sciences Bulletin: 5: 354; Schaller, Waldemar Theodore (1911d), Notes on neptunite: USGS Bulletin 490: 55-57; 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: 102; Wise, W.S & Gill, R.H. (1977): Minerals of the Benitoite Gem mine. Mineralogical Record 8, 442-452
Associated minerals:
Associates:Aegirine
Albite
Anatase
Baotite
Benitoite
Chalcocite
Digenite
Joaquinite-(Ce)
Jonesite
Natrolite
Data
Mineral Data:Click here to view Neptunite data
Locality Data:Click here to view 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
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