stockwork, brecciation, silicification, adularia, sericite, veinlets, chalcopyrite, breccia, schists, monzonite, diorite, granodiorite, gossan, hornfels, chlorite, arsenopyrite, dacite, bornite, mineralization, pyrrhotite, sphalerite, anomalism, syenite, galena, biotite, sulphides, porphyry, outcrops, footwall, pegmatite, limonite, phyllite, pyroxenite, epidote, chalcedony, argillite, ankerite, covellite, amphibolite, gabbro, andesite, foliation, pentlandite, saprolite, chalcocite, unconformity, siltstone, silicic, potassic, albite, kaolinite, aplite, greywacke, fuchsite, greisen, argillaceous, stratiform, pyrophyllite, granites, tetrahedrite, illite, gneiss, dunite, veinlet, diabase, felsite, sulfides, chrysocolla, haematite, manto, molybdenite, pelitic, alkalic, vein quartz, alunite, hornblende, muscovite, siderite, supergene, lithology, stibnite, norite, actinolite, schistose, argentite, rhyolite, anastomosing, lineament, pyrargyrite, uraninite, realgar, pyrite, limestones, carnotite, azurite, stratigraphy, dolerite, colluvium, amphibole, pitchblende, syncline, cherty, mottling, stripes, colour, coloration, striping, color, iridescence, pigmentation, suffusion, tinge, tint, venation, discoloration, colouration, patina, streaking, streaks, blotch, flecks, hue

jewel orchid