String of pyrite cubes
Cluster of pyrite cubes
Rhodochrosite and pyrite
Quartz and pyrite
Hessonite
Pyrite, Colorado
Iron pyrite
Sphalerite and pyrite
Pyrite on quartz
Pyrite
Iron pyrite cubic crystals in matrix, collected at Mina Victoria, Navajun La Rioja, Spain
Sample of pyrite
Iron pyrite crystals
Pyrite crystals
Pyrite interspersed with quartz
Pyrite crystals in their host rock
Pyrite cubes in host rock
Pyrite crystals.
Pyrite and quartz, crystalline
Iron pyrites
Marcasite.
Andelusite crystals in slate
Fluorite crystals
Arsenopyrite crystals
Lapis lazuli crystals
Calcite bladed crystals
Quartz coated with silica
Marcasite stepped crystals
Iron pyrite crystal
Iron pyrite crystal, SEM
Iron pyrite crystals, SEM
Iron pyrite, light micrograph
Cubic pyrite crystals
Pyrite crystals, Peru, South America
Iridescent pyrite in a clay nodule
Galenite and marcasite
Grossular
Pyrite Stalagtite
Chalcopyrite specimen
Marcasite mineral
Pyritohedral crystals, close up
Pyrite crystals, New Mexico, USA
Banded iron ore
Slate with pyrite
Octahedral crystals of Pyrite
Orpiment on pyrite
Bournonite
Lapis lazuli crystals I
Lapis lazuli crystals II
Marcasite in chalk groundmass, close-up
Arsenopyrite with siderite and pyrite crystals
Galenite in pyrite
Cubic perovskite crystals in groundmass
Lapis lazuli, SEM
Lapis lazuli
Marcasite
Hydrothermal quartz vein
Grey limestone and iron oxide
Ammonite fossil
Pyrite Sun
Pyrite dodecahedrons II
Pyrite dodecahedrons I
Polished lapis lazuli stone
Pyrite with Hematite, Italy
Pyrite crystals, Spain
Pyrite crystals on Shale
Quartz and Pyrite crystals
Pyrite mineral stone
Rough topaz
Sample of the mineral pyrite.
Ammonite, pyritized
Rock Types
Pyritized ammonite
Sphalerite
Periklin crystals
Rock strain fringes, light micrograph
Black smoker hydrothermal vent
Andradite
Calcite crystal
Prismatic manganite crystals
Tetrahedrite
Arsenopyrite crystals, close-up
Halite hopper crystals
Cube-forming galena, close-up
Mars Science Laboratory instrument
Spinel in Schist
Wulfenite crystals
Galenite cubes
Chalcopyrite mineral
Crystals inside dinosaur fossils
Lapis lazuli specimen
Jarosite on rock
Oxynoticeras ammonite fossil
Deformation structure in schist
Fool's Gold, iron pyrites crystals
A fossil crinoid, Pentacrinites fossils
Fossil ammonite
Tetrahedrite mineral specimen
Enargite on Pyrite,Taiwan
Quartz in sphalerite
Sphalerite and ankerite crystals
Chalcocite crystals
Stibnite
Stibnite (Antimonite)
Manganite
Chalcosite
Hedyphane
Molybdenite
Rock concretions and minerals
Analcime crystal group
Labradorite
Marcasite crystals on chalk groundmass
Botswana agate stone
Aragonite crystals
Desert rose mineral clusters
Garnet crystal and rock
Jasper polished stone
Brecciated Jasper stone
Yellow Jasper
Kyanite crystal
Labradorite rock crystals
Fire agate
Pyrite bead necklace
Calcite on sphalerite
Galena
Galena crystals (galenite)
Zincblende
Hands holding pyrite, otherwise called fools gold
Zinc blende
Pyritised Ammonite Fossil
Trilobite triarthus eatoni legs preserved
Iron pyrites crystals (fool's gold)
Nugget of Fool's Gold, iron pyrites
Microdiamond crystal
Blue labradorite
Agate specimen
Bismuthinite
Marble cube
Cassiterite tin ore
Antimonite
Fibrous antlerite
Microcrystalline antlerite
Carnelian gemstone
Spotted Jasper stone
Mineral epimorphosis II
Mineral epimorphosis I
Apatite crystal
Twinned staurolite crystals