:Science and educational activity kit that teaches your young mining hunter how to find, sort and identify rocks, gems, and minerals. Search for rock, mineral, and gemstone treasures and identify specimens with the colour identification postcard. Colour pictures are on the front with the specimen names for easy identification and facts about each specimen on the back. [NOTE: Rocks, Gems and Minerals will vary in assortment, size, type, and colour.] The some of the types of rocks, gemstones and minerals you might unearth: Aventurine, quartz, peridot, ruby, raspberry quartz, topaz, rose quartz, crystal points, sapphire, obsidian, smokey, moonstone, amethyst, emerald, fluorite, sodalite, calcite, citrine, pyrite, garnet and many more.