Includes: Educational Color Rock ID & Information Sheet. Plus 27 page Rock and Mineral Book. | High Grade Polished Tumbled Stone Mix, each stone measures 1 to 1.25 inch. Most average 1 inch. | Every mix is different and here are some of the varieties that may be included: Agate, Amazonite, Amethyst, Aventurine, Black Onyx, Citrine, Dalmatian Jasper, Gold Stone, Hematite, Howlite, Leopard Skin Jasp