Pyrite on quartz
Quartz and pyrite
Pyrite interspersed with quartz
Pyrite and quartz, crystalline
Quartz coated with silica
Cluster of pyrite cubes
String of pyrite cubes
Sphalerite and pyrite
Iron pyrite cubic crystals in matrix, collected at Mina Victoria, Navajun La Rioja, Spain
Pyrite cubes in host rock
Rhodochrosite and pyrite
Pyrite
Pyrite crystals.
Iron pyrite
Pyrite, Colorado
Pyrite crystals
Galena
Cassiterite tin ore
Wulfenite
Iron pyrite crystals
Sample of pyrite
Galenite and marcasite
Pyrite crystals in their host rock
Grossular
Hessonite
Marcasite.
Andelusite crystals in slate
Fluorite crystals
Arsenopyrite crystals
Lapis lazuli crystals
Calcite bladed crystals
Iron pyrites
Microdiamond crystal
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
Pyritohedral crystals, close up
Cubic perovskite crystals in groundmass
Andradite
Hydrothermal quartz vein
Quartz and Pyrite crystals
Gold embedded in quartz groundmass
Smoky quartz crystals
Quartz crystals
Rutilated quartz
Citrine crystal group
Magnetite, SEM
Ralstonite
Tourmaline crystals in quartz
Chalcopyrite specimen
Marcasite mineral
Marcasite stepped crystals
Calcite crystal
Tourmaline unworked stones
Slate with pyrite
Banded iron ore
Halite hopper crystals
Rock concretions and minerals
Galenite cubes
Spinel in Schist
Periklin crystals
Wulfenite crystals
Quartz
Amethyst crystals
Magnetite
Rutile in Quartz
Crystals inside dinosaur fossils
Lapis lazuli crystals I
Lapis lazuli crystals II
Octahedral crystals of Pyrite
Orpiment on pyrite
Quartz types
Smoky Quartz in Milky Quartz Groundmass
Childrenite crystal in quartz
Marcasite in chalk groundmass, close-up
Microdiamond crystal, SEM
Rose quartz mineral, artwork
Chalcopyrite and quartz crystals
Orange crystal
Mineral epimorphosis II
Mineral epimorphosis I
Elbaite on albite and quartz
Quartz nodule, polarised light micrograph
Arsenopyrite with siderite and pyrite crystals
Schorl and quartz crystals in groundmass
Hyacinth quartz
Magnetite in quartz
Quartz in sphalerite
Molybdenite in quartz monzonite
Galenite and quartz crystals
Zeolite in quartz
Pyrolusite in quartz
Quartz polished stone
Tiger Eye quartz gemstone
Quartz filled concretion
Tellurium in quartz
Hessite in quartz
Emerald crystal in quartz
Quartz vein in granite
Chabazite crystals in quartz
Native gold on quartz
Emerald in quartz
Quartz encrusted calcite crystals
Orthoclase and quartz crystals
Cube-forming galena, close-up
Mica in quartz, light micrograph
Crystals of haematite in quartz
Cuprocassiterite in quartz mica schist
Hawk's Eye quartz stone
Quartz mineral stone, light micrograph
Deformed quartz veins in slate
Quartz filled geode
Light reflection
ピラミッド形に積んだ青いアクリルキューブ
Manganite
Lapis lazuli, SEM
Lapis lazuli
Marcasite
Grey limestone and iron oxide
Ammonite fossil
Quartz vein
Feldspar and quartz
Pyrite Sun
Pyrite Stalagtite
Pyrite dodecahedrons II
Pyrite dodecahedrons I
Galena crystals (galenite)
Nagyagite
Mimetite in prismatic crystal form
Quartz crystal from Sentis, Switzerland.
Pyrite with Hematite, Italy
Pyrite crystals, Spain
Pyrite crystals on Shale