troilite Definition

angrite, eucrite, augite, pyrrhotite, kamacite, pigeonite, siderolite, tephrite, nephelinite, omphacite, enstatite, pyroxene, mesosiderite, plagioclase, ureilite, mussite, schreibersite, hornblende, amphibole group, feldspathoid, knebelite, oligosiderite, miascite, saussurite, pyrite, biotite, babingtonite, siderite, pargasite, magnetite, mispickel, meionite, euclase, ytterbite, menaccanite, sanidine, pentlandite, felstone, olivine, sulphide, ullmannite, aciculite, pyrosmalite, ilmenite, octahedrite, tennantite, stilpnomelane, arsenopyrite, thortveitite, tetradymite, smaragdite, hyalophane, linnaeite, miargyrite, kerolite, feldspar, eschynite, hauerite, zincblende, cyclosilicate, danaite, okenite, bismuthinite, garnierite, anorthite, bismuthite, bismite, chalcopyrite, lanarkite, anorthoclase, niobite, ditroite, septarium, holosiderite, stephanite, skutterudite, sesquisulphide, samarskite, groundmass, chondrodite, daubreelite, lepidocrocite, serpentinize, ilmenium, tetrahedrite, phaneritic, chromite, euxenite, smaltite, sericite, antimonite, boulangerite, volborthite, euphotide, manganiferous, thorianite, aurichalcite, goethite, bornite, melilite,