Matching Pairs minerals for EAES 1121Online version formula and class by maggie arellano 1 quarts 2 magnetite 3 pyrite 4 halite 5 hematite 6 Calcite Fe2O3 CaCO3 NaCl Fe3O4 Sio2 FeS2 1 quarts+orthoclase+albite+muscovite 2 Biotite+augite+hornblende+olivine 3 Pyrite 4 Calcite 5 halite 6 Magnitite and hematite carbonate halide NFMS sulfide oxide FMS