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