Pentlandite

Polishing characteristics and problems(a)

Chromite associations(c-e)

Sulphides within ultramafic rocks in ophiolites(a-c)

Magmatic nickel ores(a-f)

Magmatic sulphide ores(a-e)

Magmatic sulphides(a-f)

Carbonatites(a,f)

Supergene alteration (b)

Platinum-iron alloy

The effects of tarnishing and carbon coating(e,f)

Precious metal placer(d,e)

Psilomelane

Manganese minerals(d-f)

Pyrargyrite

Polishing characteristics and problems(d)

Tetrahedrite-tennantite-bearing copper-silver mineralization(e)

Five metals-type silver association. The five metals association.(a-f)

Skarns(a)

Pyrite

Polishing characteristics and problems(c)

The effects of tarnishing and carbon coating(a,d)

Ilmenite and magnetite in basalts and dolerites(f)

Magmatic nickel ores(a,b,d-f)

Magmatic sulphide ores(a-c,f)

Unmineralized intermediate rocks(f)

Slightly mineralized granites(f)

Tin-niobium mineralization in granites(a,b)

Minor sulphide mineralization in granite(a-c)

Quartz-sulphide vein mineralization(b)

Porphyry copper ores(b,c)

Porphyry copper and molybdenum ores(a-c,f)

Porphyry-style tin-tungsten-molybdenum ores(a-c)

Modern seafloor sulphides(a-f)

Modern seafloor sulphides(b-e)

Massive sulphides in ophiolites(a-f)

Massive sulphides within ophiolites(a-f)

Kuroko ores(a-d)

Kuroko-style ores(a,b,f)

Massive volcanogenic sulphides(a-f)

Metamorphosed volcanogenic sulphides(a-f)

Copper, iron and low temperature tin mineralization(a,b)

Base metal-tin association(a-d,f)

Arsenopyrite-bearing associations(d-f)

Tetrahedrite-tennantite-bearing copper-silver mineralization(a-e)

Five metals-type silver association. The five metals association.(a-f)

Uranium vein association(a)

Gold and base metal vein association(a-d)

Mercury and antimony sulphides(e,f)

Unmineralized limestones(a-e)

Fossil placer(a-f)

Clay ironstones and oolitic iron ores(a,b)

Supergene alteration (b,c)

Supergene enrichment of copper ores(f)

Red bed copper-lead-zinc mineralization(b)

Carbonate-hosted base-metal mineralization(d,f)

Carbonate-hosted lead-zinc deposits(a-d)

Mississippi Valley lead-zinc deposits(d)

Pyroxene

Extraterrestrial rocks and olivine nodule(a,c,d,e,f)

Ilmenite and magnetite in basalts and dolerites(a-d)

Altered iron-titanium oxides in alkali olivine basalt(d-f)

Unmineralized intermediate rocks(a)

Pyrrhotite

Polishing characteristics and problems(a,e)

Ilmenite and magnetite in basalts and dolerites(f)

Magmatic nickel ores(a,c,d)

Magmatic sulphide ores(a-f)

Magmatic sulphides(a-f)

Quartz-sulphide vein mineralization(c)

Porphyry copper ores(c)

Modern seafloor sulphides(f)

Massive sulphides in ophiolites(c)

Base metal-tin association(a,b)

Gold and base metal vein association(e,f)

Tellurides associated with gold mineralization(c)

Fossil placer(c,e,f)

Supergene alteration (a,c)

Non-mineralized metamorphic rocks(d)

Metamorphosed sulphides(a-f)

Appalachian metamorphosed sulphides(a-c,f)

Metamorphosed lead-zinc ores(a,b)

Pyrrhotite (hexagonal)

Magmatic sulphides(f)

Base metal-tin association(a,b)

Pyrrhotite (monoclinic)

Magmatic sulphides(f)

Base metal-tin association(a,b)