Pyrite crystals
Banded iron ore
Pyrite
Pyrite crystals in their host rock
Iron pyrite
Octahedral crystals of Pyrite
Iron pyrite crystals
Sample of pyrite
Galenite in pyrite
Orpiment on pyrite
Slate with pyrite
Iron pyrites
Arsenopyrite crystals
Andelusite crystals in slate
Hydrothermal quartz vein
Lapis lazuli crystals
Pyrite crystals, Spain
Quartz and Pyrite crystals
Lapis lazuli
Marcasite.
Marcasite
Ammonite fossil
Cubic pyrite crystals
Pyrite Sun
Pyrite Stalagtite
Marcasite crystals on chalk groundmass
Pyrite with Hematite, Italy
Iron pyrite crystal
Iron pyrite, light micrograph
Sample of the mineral pyrite.
Iridescent pyrite in a clay nodule
Fool's Gold, iron pyrites crystals
Sphalerite and pyrite
Pyrite mineral stone
Quartz and pyrite
Pyrite crystals, Peru, South America
Marcasite stepped crystals
Polished lapis lazuli stone
Jarosite on rock
Marcasite mineral
Fossil ammonite
Arsenopyrite with siderite and pyrite crystals
Enargite on Pyrite,Taiwan
Chalcopyrite mineral
Chalcopyrite specimen
A fossil crinoid, Pentacrinites fossils
Deformation structure in schist
Iron pyrite crystal, SEM
Fluorite crystals
Calcite bladed crystals
Pyrite crystals, New Mexico, USA
Rhodochrosite and pyrite
黄鉄鉱
Iron pyrites crystals (fool's gold)
Pyrite interspersed with quartz
Pyrite bead necklace
Pyrite crystals on Shale
Pyritohedral crystals, close up
Oxynoticeras ammonite fossil
String of pyrite cubes
Zincblende
Pyrites Ammonite spiral Calcite crystals
Black smoker hydrothermal vent
Nugget of Fool's Gold, iron pyrites
Iron pyrite cubic crystals in matrix, collected at Mina Victoria, Navajun La Rioja, Spain
Extracting tinder from tinder fungus
Pyritised Ammonite Fossil
Trilobite triarthus eatoni legs preserved
Iron pyrite crystals, SEM
Quartz coated with silica
Grey limestone and iron oxide
Lapis lazuli, SEM
Cluster of pyrite cubes
Pyrite, Colorado
Lapis lazuli specimen
Rock strain fringes, light micrograph
Iron sulphide compound
Marcasite in chalk groundmass, close-up
Bournonite
Ammonite, pyritized
Pyrite cubes in host rock
Stibnite
Pyritized ammonite
Chalcocite crystals
Arsenopyrite crystals, close-up
Fluorspar crystals
Actinolite crystals
Marcasite, New York, USA
Baryte resting on sphalerite
Pyrite and quartz, crystalline
Calcite on sphalerite
Sphalerite and ankerite crystals
Pyrite crystals.
Pyrite on quartz
Tennantite
Tetrahedrite
Sphalerite crystals
Marcasite bracelet
Chromite
Uraninite in calcite
Malachite-based mineral deposit
Silver deposits in quartzite
Rock concretions and minerals
Galenite and marcasite
Rock Types
Sphalerite, an ore of Zinc
Sphalerite ore
Lapis lazuli crystals I
Lapis lazuli crystals II
Cobaltine mineral, cobalt ore
Tremolite crystals
Calcite crystal
Non-magnetic iron sulphide
Sphalerite
Magnetite and calcite
Galenite and quartz crystals
Pyrite dodecahedrons II
Pyrite dodecahedrons I
Hands holding pyrite, otherwise called fools gold
Pyrites preservation of ammonite shell
Quartz in sphalerite
Native copper
Magnetite in quartz
Sphalerite Zinc Ore
Galena
Sample of haematite
Baryte crystals
Azurite crystals
Dioptase crystals
Apatite crystals
Selenite crystals
Twinned staurolite crystals
Twinned fluorite crystals
Cordierite crystals in rock groundmass
Sulphur crystals
Cuprocassiterite in quartz mica schist
Pseudomorphic crystal growth
Pyrolusite in quartz
Zinc ore under ultraviolet light
Zinc ore
Chrysocolla, macrophotograph
Haematite specimen
Dendritic copper specimen
Diamond processing, Siberia, Russia