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