| 7uu ((HOMESTAKE GOLD ORE)), Homestake Mine, Lead District, Lawrence County, South Dakota, 12 x 7 x 5 cm, Cabinet | |
 | Combination ore specimen with Cummintonite, Quartz, Arsenopyrite, Pyrrhotite, and .04% Gold. J A Whelan (Whelanite) collection. ex University of Utah geology department. |
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