Gypsum from
Hillside Mine (Happy Jack MS 920 claim; Camp MS 919 claim; Seven Stars MS 916 claim), Bozarth Mesa, Bagdad, Eureka District, Yavapai Co., Arizona, USA

Description
Comments:	Occurs in oxidized portion of the vein as efflorescent coatings associated with secondary uranium minerals; on the 300 level north of the shaft with schröckingerite and bayleyite.
Quality of samples:	not specified / average specimens
Confirmation
Validity:	Believed Valid
References
References:	Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 111, 242, 313, 387; Anderson, C.A., et al (1955), Geology and ore deposits of the Bagdad area, Yavapai County, Arizona, USGS PP 278: 50, 51; Axelrod, J.M., et al (1951), The uranium minerals from the Hillside mine, Yavapai Co., AZ, Am.Min.: 36: 1-22; Frondel, C.C. (1958), Systematic mineralogy of uranium and thorium, USGS Bull. 1064: 119; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 51, 52.
Associated minerals:
Associates:	Schröckingerite Swartzite
Data
Mineral Data:	Click here to view Gypsum data
Locality Data:	Click here to view Hillside Mine (Happy Jack MS 920 claim; Camp MS 919 claim; Seven Stars MS 916 claim), Bozarth Mesa, Bagdad, Eureka District, Yavapai Co., Arizona, USA

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