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Selenite from
Acme Cement Plaster Company workings (Navajo Gypsum & Fertilizer), Winslow, Navajo Co., Arizona, USA

Mineral Species
Species:Gypsum var: Selenite
Formula:CaSO4 · 2H2O
Comments:Mined as large plates in upper member Permian Supai Formation.
Quality of samples:not specified / average specimens
Validity:Believed Valid
References:Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 242; Peirce, H.W. & T.A. Gerrard (1966), Evaporite deposits of the Permian Holbrook Basin, AZ, 2nd. Symposium on Salt. Northern Ohio Geological Soc., Inc. 1: 1-10; Stone, R.W. (1920), Gypsum deposits of the US, USGS Bull. 697: 51; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 60.
Mineral Data:Click here to view Selenite data
Locality Data:Click here to view Acme Cement Plaster Company workings (Navajo Gypsum & Fertilizer), Winslow, Navajo Co., Arizona, USA
Nearest other occurrences of Selenite
120.4km (74.8 miles) A Fort Apache Gypsum deposit (Ft. Apache gypsum deposit), Navajo Co., Arizona, USA
135.2km (84.0 miles) B Fort Apache Indian Reservation, Navajo Co., Arizona, USA
162.7km (101.1 miles) C Pine Flat Mine, Pine Flat, Turkey Creek District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
172.4km (107.1 miles) D Oro Flame Mine (Oro Flame property; American Eagle Mine; Mormon Patent; Old Ohio Patent MS 2025; Gold Bug Mine; Sterling property; Mescal claim; American Eagle Patent; Oro Grand Patent MS 2024), Yavapai Co., Arizona, USA
177.3km (110.2 miles) E Copper Cities Mine (Sleeping Beauty Mine; Lost Gulch Mine; Yellow Metal Mine; Diamond-H Mine), Copper Cities Mine area, Sleeping Beauty Peak, Miami, Miami-Inspiration District, Globe-Miami District, Gila Co., Arizona, USA
225.6km (140.2 miles) F Monument No. 2 Mine, Monument No. 2 channel, Yazzi Mesa, Monument Valley, Navajo Indian Reservation, Apache Co., Arizona, USA
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