Sample of pyrite
Iron pyrite
Iron pyrite crystals
Quartz and pyrite
Galenite in pyrite
Pyrite
Iron pyrites
Pyrite crystals
Iron pyrite crystal
Cubic pyrite crystals
Iron pyrite, light micrograph
Pyrite crystals in their host rock
Octahedral crystals of Pyrite
Iridescent pyrite in a clay nodule
Arsenopyrite with siderite and pyrite crystals
Chalcopyrite specimen
Arsenopyrite crystals
Marcasite.
Pyrite crystals, Peru, South America
Marcasite stepped crystals
Nugget of Fool's Gold, iron pyrites
Ammonite, pyritized
Andelusite crystals in slate
Marcasite mineral
Pyritized ammonite
Orpiment on pyrite
Pyritised Ammonite Fossil
Lapis lazuli crystals
Pyrite interspersed with quartz
Sample of the mineral pyrite.
Iron pyrites crystals (fool's gold)
Pyrite Sun
Pyrite Stalagtite
Pyrite mineral stone
Banded iron ore
Trilobite triarthus eatoni legs preserved
Pyrite with Hematite, Italy
Pyrite crystals, Spain
Sphalerite and pyrite
Iron pyrite crystal, SEM
Pyritohedral crystals, close up
Pyrite bead necklace
Slate with pyrite
Quartz and Pyrite crystals
黄鉄鉱
Iron pyrite crystals, SEM
Cluster of pyrite cubes
String of pyrite cubes
Fossil ammonite
Marcasite
Iron sulphide compound
Enargite on Pyrite,Taiwan
Rock Types
Fluorite crystals
Hydrothermal quartz vein
Fool's Gold, iron pyrites crystals
Pyrite dodecahedrons II
Pyrite dodecahedrons I
Polished lapis lazuli stone
Pyrites Ammonite spiral Calcite crystals
Jarosite on rock
Lapis lazuli
Extracting tinder from tinder fungus
A fossil crinoid, Pentacrinites fossils
Ammonite fossil
Galenite and marcasite
Marcasite in chalk groundmass, close-up
Calcite bladed crystals
Quartz coated with silica
Pyrite and quartz, crystalline
Oxynoticeras ammonite fossil
Deformation structure in schist
Pyrite crystals, New Mexico, USA
Pyrite crystals on Shale
Marcasite crystals on chalk groundmass
Mars Science Laboratory instrument
Lapis lazuli crystals I
Lapis lazuli crystals II
Black smoker hydrothermal vent
Pyrites preservation of ammonite shell
Pyrite on quartz
Chalcopyrite mineral
Non-magnetic iron sulphide
Pyrite crystals.
Rhodochrosite and pyrite
Iron and sulfur reaction
Hands holding pyrite, otherwise called fools gold
Iron sulphide in hydrochloric acid
Iron pyrite cubic crystals in matrix, collected at Mina Victoria, Navajun La Rioja, Spain
Lapis lazuli specimen
Pyrite, Colorado
Pyrite cubes in host rock
Arsenopyrite crystals, close-up
Marcasite bracelet
Calcite crystal
Lapis lazuli, SEM
Rock strain fringes, light micrograph
Grey limestone and iron oxide
Fossil Crinoid
Tetrahedrite
Tetrahedrite mineral specimen
Chalcocite crystals
Marcasite, New York, USA
Crystals inside dinosaur fossils
Galena
Stibnite
Rock concretions and minerals
Quartz in sphalerite
Sphalerite
Bubbles of hydrogen sulfide
Zincblende
Sphalerite and ankerite crystals
Pleuroceras pyrite Jurassic Ammonite
Pollution in Trent and Mersey canal, Staffordshire, UK
Yellow crystals of sulphur
Sulphur crystals
Quartz
Lump of yellow sulphur
Zinc blende
Sphalerite crystals
Section of quartz crystal geode
Black smoker hydrothermal vents
Thiobacillus ferrooxidans, SEM
Dioptase mineral sample
Dioptase
Bournonite
Malachite mineral sample
Cobalt calcite mineral sample
Selenite mineral sample
Slate waste
Slate quarry waste
Aragonite crystals with sulphur
Bornite, close-up
Pyrrhotite crystals, close-up
Cinnabar on rock surface, close-up
Cobaltite and chalcopyrite crystals
Glaucodot crystals in groundmass
Bismuthinite crystals in rock groundmass
Chalopyllite crystals
Ammonite sutures Graspedites subolitus
Structural colour ammonite modern abalone
Two beautiful Jurassic Ammonites
Beautiful Jurassic Pyrites gold Ammonites
Chalcopyrite and quartz crystals
Thulite mineral
Berzeliite mineral