Pyrite
Octahedral crystals of Pyrite
Pyrite crystals
Sample of pyrite
Galenite in pyrite
Orpiment on pyrite
Iron pyrite crystals
Iron pyrite
Iron pyrites
Banded iron ore
Pyrite Sun
Pyrite Stalagtite
Pyrite with Hematite, Italy
Pyrite crystals, Spain
Pyrite mineral stone
Iron pyrite crystal
Iron pyrite, light micrograph
Pyrite crystals in their host rock
Quartz and Pyrite crystals
Sample of the mineral pyrite.
Iridescent pyrite in a clay nodule
Cubic pyrite crystals
Quartz and pyrite
Slate with pyrite
Marcasite.
Marcasite
Pyrite crystals, Peru, South America
Nugget of Fool's Gold, iron pyrites
Hydrothermal quartz vein
Fool's Gold, iron pyrites crystals
Chalcopyrite specimen
Arsenopyrite crystals
Pyritised Ammonite Fossil
Polished lapis lazuli stone
Jarosite on rock
Lapis lazuli
Marcasite mineral
Fossil ammonite
Ammonite fossil
Marcasite stepped crystals
Andelusite crystals in slate
A fossil crinoid, Pentacrinites fossils
Deformation structure in schist
Lapis lazuli crystals
Pyrite crystals, New Mexico, USA
Arsenopyrite with siderite and pyrite crystals
Oxynoticeras ammonite fossil
Marcasite crystals on chalk groundmass
Pyrite bead necklace
Enargite on Pyrite,Taiwan
Pyrite crystals on Shale
黄鉄鉱
Pyritohedral crystals, close up
Black smoker hydrothermal vent
Iron pyrites crystals (fool's gold)
Extracting tinder from tinder fungus
Trilobite triarthus eatoni legs preserved
Chalcopyrite mineral
Pyrite interspersed with quartz
Iron pyrite cubic crystals in matrix, collected at Mina Victoria, Navajun La Rioja, Spain
Iron pyrite crystal, SEM
Sphalerite and pyrite
Pyrites Ammonite spiral Calcite crystals
Lapis lazuli specimen
Fluorite crystals
Iron pyrite crystals, SEM
Rhodochrosite and pyrite
Iron sulphide compound
Rock strain fringes, light micrograph
Calcite bladed crystals
Pyrite, Colorado
String of pyrite cubes
Grey limestone and iron oxide
Quartz coated with silica
Ammonite, pyritized
Lapis lazuli, SEM
Marcasite, New York, USA
Cluster of pyrite cubes
Pyritized ammonite
Marcasite in chalk groundmass, close-up
Pyrite and quartz, crystalline
Zincblende
Marcasite bracelet
Non-magnetic iron sulphide
Pyrite crystals.
Pyrite dodecahedrons II
Pyrite dodecahedrons I
Hands holding pyrite, otherwise called fools gold
Pyrites preservation of ammonite shell
Rock concretions and minerals
Lapis lazuli crystals I
Lapis lazuli crystals II
Pyrite on quartz
Pyrite cubes in host rock
Iron sulphide in hydrochloric acid
Galenite and marcasite
Rock Types
Mars Science Laboratory instrument
Calcite crystal
Crystals inside dinosaur fossils
Tennantite
Chalcocite crystals
Bournonite
Arsenopyrite crystals, close-up
Tetrahedrite
Calcite on sphalerite
Baryte resting on sphalerite
Sphalerite, an ore of Zinc
Iron and sulfur reaction
Black smoker hydrothermal vents
Fossil Crinoid
Stibnite
Sphalerite ore
Quartz in sphalerite
Sphalerite and ankerite crystals
Bubbles of hydrogen sulfide
Galena
Sodalite.
Rhodonite.
Ankerite with calcite
Hemimorphite
Septarian nodule
A specimen of fluorite
A sample of malachite
Iridescent slab of labradorite
Pleuroceras pyrite Jurassic Ammonite
Arsenopyrite
Sphalerite Zinc Ore
Arsenopyrite, Massachusetts
Tetrahedrite mineral specimen
Slate waste
Pollution in Trent and Mersey canal, Staffordshire, UK
Cerussite
A specimen of the mineral malachite
Crystals of smoky quartz
Rose apatite, dolomite & pyrrhotite crystals
Crystal of pink apatite growing on albite
Sphalerite crystals
Zinc blende
Chalcosine rock
Azurite.
Carnelian.
Jasper.
Malachite mineral
Structural colour ammonite modern abalone
Two beautiful Jurassic Ammonites
Heliotrope, or bloodstone
unakite gemstone
sodalite gemstone
rhodonite gemstone