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bauxite is a natural mixture of aluminum oxides. Used in the production of alumina, cement and other industrial products
Mineral Fusinus sp. Pliozän
Petrified wood, 20 million years old wood. Wood turned into stone
Silica Quartz mineralisation around purple fluorite cubic crystals in a mineral rock sample
natural mineral on a green background with crystal quartz crystals is a beautiful background and an abstract, macro
Fragment of uranium or yellow cake
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.
lava with some hauyne from the Mendig, Germany isolated on white background
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
View of the copper sulfide mineral (Covellite, Digenite). Copper sulfides describe a family of chemical compounds and minerals with the formula CuSy.
Magnified close up of a pegmatite rock with many colors.
Native gold mineral on a white background
From the mineral collection, Barenit
European Union Flag with Empty White GB Text cut out - 3D Illustration
sunstone mineral stone sample macro photography
Big natural stone green amber on white background
Green quartz crystal isolated on the white background.
A sample of Archean aged pink and green colored alkaline granite with scale.
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.
99.99% fine scandium isolated on white background
azurite and malachite mineral specimen isolated on white
Tasty nori seaweed as a background. Top view.
Layered maroon and light speckled rock magnified.
specimen of natural raw velvet malachite rock cutout on white background
Barite on fluoride
closeup of sample of natural mineral from geological collection - piece of raw Bauxite ore isolated on white background
Minerals in an igneous rock do not all form at the same time. In this porphyritic rock, the larger crystals are a feldspar that were already formed before the lava became solidified completely. The fine groundmass is composed predominantly of a mixture of very fine-grainedcrystals of quartz and feldspars.
One slice of wholemeal bread overgrown with food mold fungi on a green plate in closeup
Galena a mineral specimen of natural lead ore collected in the UK
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