Iron pyrite crystals, SEM
Iron pyrite crystal, SEM
Iron pyrite crystals
Iron pyrite, light micrograph
Pyrite crystals on Shale
Slate with pyrite
Sample of pyrite
Chalcopyrite specimen
Iron pyrite
Iron pyrites
Pyrite crystals, Peru, South America
Andelusite crystals in slate
Pyrite crystals
Cubic pyrite crystals
Iron pyrite crystal
Sphalerite and pyrite
Pyrite crystals in their host rock
Pyrite
Pyritohedral crystals, close up
Pyrite interspersed with quartz
Iridescent pyrite in a clay nodule
Rhodochrosite and pyrite
Pyrite cubes in host rock
Fluorite crystals
Arsenopyrite crystals
Lapis lazuli crystals
Calcite bladed crystals
Marcasite stepped crystals
Marcasite mineral
Lapis lazuli, SEM
Quartz and pyrite
Octahedral crystals of Pyrite
Arsenopyrite with siderite and pyrite crystals
Rock strain fringes, light micrograph
String of pyrite cubes
Cluster of pyrite cubes
Marcasite.
Quartz coated with silica
Fossil Crinoid
Pyrite and quartz, crystalline
Orpiment on pyrite
Deformation structure in schist
Iron pyrite cubic crystals in matrix, collected at Mina Victoria, Navajun La Rioja, Spain
Banded iron ore
Lapis lazuli crystals I
Lapis lazuli crystals II
Pyrite crystals, Spain
Quartz and Pyrite crystals
Pyrite crystals, New Mexico, USA
Galenite in pyrite
Chalcopyrite, SEM
Ammonite, pyritized
Rock Types
Pyritized ammonite
Fool's Gold, iron pyrites crystals
Marcasite in chalk groundmass, close-up
Pyrite Sun
Pyrite Stalagtite
Pyrite dodecahedrons II
Pyrite dodecahedrons I
Pyrite with Hematite, Italy
Pyrite mineral stone
Pyrite on quartz
Sample of the mineral pyrite.
Grey limestone and iron oxide
Iron pyrites crystals (fool's gold)
Oxynoticeras ammonite fossil
A fossil crinoid, Pentacrinites fossils
Fossil ammonite
Ammonite fossil
Crystals inside dinosaur fossils
Jarosite on rock
Calcite crystal
Ruby crystals, SEM
Chalcopyrite mineral
Extracting tinder from tinder fungus
Quartz crystals, SEM
Zeolite catalyst crystals, SEM
Pyrite crystals.
Polished lapis lazuli stone
Lapis lazuli specimen
Lapis lazuli
Marcasite
Hydrothermal quartz vein
Black smoker hydrothermal vent
Pyritised Ammonite Fossil
Trilobite triarthus eatoni legs preserved
Chalcopyrite and quartz crystals
Cobaltite and chalcopyrite crystals
Nugget of Fool's Gold, iron pyrites
Fluorapatite crystal, SEM
Microdiamond crystal
Pyrite bead necklace
Calcium carbonate crystals, SEM
Sphalerite and ankerite crystals
Pyrite, Colorado
Pyrites Ammonite spiral Calcite crystals
Chalcopyrite crystals
Marcasite crystals on chalk groundmass
Mars Science Laboratory instrument
Barite crystals, SEM
Slate waste
Pseudomorphic crystal growth
Chalcopyrite
Chalcocite crystals
Copper oxide crystals, SEM
Arsenopyrite crystals, close-up
Enargite on Pyrite,Taiwan
Hands holding pyrite, otherwise called fools gold
Chemical crystals, polarised LM
Ammonite fossil, thin section
Mica schist folds, light micrograph
Quartz nodule, polarised light micrograph
Nickel dendrites, SEM
Pyrites preservation of ammonite shell
Zinc oxide crystals, SEM
Rock mineral crystals, polarised LM
Azurite crystals, SEM
Malachite crystals, SEM
Galenite and marcasite
Matildite crystals, SEM
Haematite, SEM
Quartz in sphalerite
Tetrahedrite
Stibnite