chalcopyrite, arsenopyrite, pyrrhotite, sulphides, sphalerite, galena, bornite, sericite, veinlets, molybdenite, sulfides, biotite, chlorite, silicification, stockwork, pentlandite, greywacke, chalcocite, covellite, pegmatite, tetrahedrite, spodumene, siltstone, syenite, andesite, pyroxenite, breccia, gabbro, magnetite, epidote, limonite, pyrargyrite, diorite, actinolite, ankerite, albite, adularia, chrysocolla, stibnite, kaolinite, muscovite, schists, dunite, dacite, brecciation, amphibolite, gossan, amphibole, granodiorite, haematite, diabase, saprolite, hematite, hornfels, potassic, alunite, aplite, electrum, uraninite, veinlet, limestones, silicic, argentite, monzonite, phyllite, autunite, hornblende, fuchsite, alluvium, calcite, schistose, enargite, scheelite, veining, argillite, pitchblende, illite, blebs, rhyolite, mineralization, colluvium, siderite, azurite, gravels, carnotite, halite, plagioclase, argillaceous, barite, pelitic, mudstone, carbonate, greisen, cherty, feldspar, realgar, diopside, anomalism, allanite, vein quartz, stratiform, porphyry, pyrites, apatite, gypsum, olivine, quartz, ore, mica, orthoclase, coke, sulfide, pyritic, sulphide, auriferous, calcitic, concretionary, intermetallic, brecciated, fragmental, oolitic, arenaceous, metalliferous, dolomite, garnet

atomic number 34, pyrites, se, selenium

mineral

fool's gold, iron pyrite