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Druza of large crystals of galena, with crystals of calcite and siderite
Background in Kaklik Cave at Denizli
Druse of quartz crystals, calcite and siderite spherulites from Nikolaevskiy Mine, Dalnegorsk, Russia. Collection mineral isolated on white background
Fragment of uranium or yellow cake
Macro cubical pyrite on white matrix isolated on gray background
Panorama view on the former limestone quarry on the 'Sint-Pietersberg' or Mount Saint Peter, a hill on the southside of Maastricht in Limburg, Netherlands, where from 1926 untill 2018 surface mining took place, it is a nature area since [photo was taken in 2014 when the quarry was still active]
Sample of biotite Schist, from the shear zone in the Beitbridge Complex in South Africa. Schist is metamorphic rock caused by pressure during medium grade metamorphism.
emerald mineral stone sample with white background
Gold (Au) ore. The element associated with quartz veins and sulfides. White background. Largest producers China, Australia, Russia, Canada, USA, Mexico, South Africa, Uzbekistan
Tree trunk background. Ideal to use as backgrounds.
Heat Insulation Made of Glass Wool with Foil Sheet Attached Close up View
Mineral Fusinus sp. Pliozän
Autunite (hydrated calcium uranyl phosphate) specimen stone from mining and quarrying industries. Autunite have moderate uranium content of 48.27% it is radioactive and also used as uranium ore.
Agate raw ore
Bismuth is a golden-black mineral. Close-up, background and texture of the mineral.
crystaline Barite or Barytes mineral sample- clear or translucent dense mineral collected from the UK
Big natural stone green amber on white background
Image of a crystal cup of enlightenment with colored light
Petrified wood, 20 million years old wood. Wood turned into stone
Detail of wood deck board
Displayed in a glass box are different types of coal, each showcasing unique textures and colors. The collection includes anthracite, bituminous, sub-bituminous, and lignite.
Old stone wall texture background.
Barite or Barytes is a naturally occuring mineral made of Barium Sulphate and the source of the element Barium. It is white or colourless and crystaline with a distinct heavy density. Mined to be used in paint and paper production and in the oil industry.
lava with some hauyne from the Mendig, Germany isolated on white background
Barite on fluoride
Salt crystal drill probe containing minerals causing its pink color
sunstone mineral stone sample macro photography
One slice of wholemeal bread overgrown with food mold fungi on a green plate in closeup
On this site an archaeological examination took place, close-up of a deep ditch showing layers of clay and loess.
Free Images: "bestof:GeopetalCarboniferousNV.jpg en Thin-section of peloid sediment and sparry calcite cement in a recrystallized bivalve shell showing way up thus a geopetal"
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Geopetal Structure.jpg
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Comparisons of other mushroom clouds.jpg
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