This rummy game uses 40 color pictures of different rocks and minerals. The "suits" are igneous rock, sedimentary rocks, metamorphic rocks and minerals. Student play 2 pair of different colors, 3 of a color, 4 of a color or 4 of all different colors. There is an Identification Chart to help the student during play.
My TPT store has many science and nature study games -- Bingo, Rummy, Concentration, Dominoes and Board games.