2 puzzles · Browse all puzzles
ASTHENOSPHERE, LITHOSPHERE, TEMPERATURE, MESOSPHERE, SUBDUCTION, CONVECTION, GEOTHERMAL, EARTHQUAKE, MAGMATISM, RADIATION, TECTONIC, SEDIMENT, SILICATE, PRESSURE, GRANITE, MINERAL, DENSITY, FOSSIL, CRUST, INNER, MAGMA, CORE
TOURMALINE, SPHALERITE, MAGNETITE, AMAZONITE, CELESTITE, AMETHYST, SAPPHIRE, FELDSPAR, FLUORITE, HEMATITE, CORUNDUM, SELENITE, DIAMOND, EMERALD, CALCITE, APATITE, QUARTZ, GARNET, PYRITE, GYPSUM, TOPAZ, BERYL