Source volume: 44, issue: 5, PDF page: 58. Label: Figure 36. Zincite crystals on franklinite and calcite, 5.1 cm, from the Buckwheat (Franklin) mine. Ex collection of Washington Roebling (1837–1926) in the Smithsonian Institution; ex Ed David, ex Lee Areson collections; Mark Mauthner photo courtesy of Heritage Auction Galleries.
Comments