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