CLASSIFICATIONS ARE: MINERAL, IGNEOUS ROCKS, SEDIMENTARY ROCKS, AND MEROMORPHIC MINECRALS: 1.AGATE 2.DOLOMITE 3.FELDSPAR 4.MAGNETITE 5.PHROPHILLITE 6.QUARTZ IGNEOUS ROCKS: 7.BASALT 8.DEORITE 9.GRANITE 10.PEGMATITE 11.OBSIDIAN 12.PUMICE SEDIMENTARY ROCKS: 13.CHALK 14.DIATOMITE 15.LIMESTONE 16.MUD ATONE 17.SAND STONE 18.SHALE METAMORPHIC ROCKS: 19.ANTHRACITE 20.GNIESS 21.MARBLE 22.QUARTZITE 23.SERPERTINC 24.SLATE