Rock and Mineral Collection
Vintage Rock and Mineral Collection by Smithsonian Institution.
A collection of 16 different specimens. Still mounted in the original 7" x 8.5" box.
Specimens include: Talc, Siltstone, Dolostone, Aporhyolite, Obsidian, Olivine, Rock Crystal, Nickel Ore, Calcite, Rose Quartz, Muscovite, Microcline, Sulfur, Volcanic Cinder, Gypsum, and Magnetite Schist.