TapioliteOld Mike mine, Custer, Custer District, Custer Co., South Dakota, USA
Latitude: 43°49'6"N
Longitude: 103°36'59"W
Granite pegmatite. Ref.: (in part): Dana 7:I:785. Located near Berne north of Custer.
References
Moore, P. B., 2000, Analyses of Primary Phosphates from Pegmatites in Maine and Other Localities, in V. T. King (editor), Mineralogy of Maine. Mining History, Gems, and Geology, Maine Geological Survey, Augusta, Maine, p. 333-336.
Mineral List
18 entries listed. 15 valid minerals. 1 type locality (valid mineral).
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