Comprising six items, including a small piece of fire agate with botryoidal surface, from California, 1 1/2 in. L.; a "Pecos Diamond," Chalcedony after Quartz, Roswell, NM, approx.1/4 in. L.; two Amethyst Quartz crystals, from Brazil; an Agate geode half, dyed blue; and a large piece of cobalt blue Obsidian (?, possibly slag glass), 5 1/4 x 3 x 2 3/4 in.