Rock Test Review Write sedimentary, igneous, or metamorphic next to the rock. If it is rock that we talked about special properties, make sure that you know them. Pumice Obsidian Basalt Granite Shale Sandstone Limestone (chemical and organic) Slate Schist Gneiss Define the following terms. Igneous Rock Fine-grained crystals Coarse-grained crystals Intrusive Extrusive Magma Lava Sedimentary Rock Weathering Erosion Compaction/Cementation Sediment Clay/silt Gravel Sand Metamorphic Rock Foliated Non-foliated Regional Metamorphism Contact Metamorphism Other concepts for the test… Make sure that you can draw and label all parts of the rock cycle (notes). This includes how each rock can turn into another rock. Make sure you know all the major parts of the Rock Webquest.