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green dioptase on blue plancheite photography isolated on white blackground. From Sanda, Mindouli District, Pool Department, Republic of the Congo
Petrified wood, 20 million years old wood. Wood turned into stone
rock surface
Beautiful natural rough clear blue sheen Moonstone with adularescence (schiller) effect on dark background
Boron Mineral
Unique underground geology of  stalactites and stalagmites.
Beautiful mineral wulfenite, background, texture. Soft focus selective focus.
adder stone from the Baltic Sea coast in Waabs, Germany isolated on white background
Mineral Fusinus sp. Pliozän
3d render, digital illustration, abstract blue crystals, faceted gem, geology, nugget, minerals collection, clip art, isolated on white background
Close-up view of pyrite
Druza of large crystals of galena, with crystals of calcite and siderite
Agate raw ore
Vivid green fluorite ore extracted, from Lampang Thailand.
Magnified close up of a pegmatite rock with many colors.
A macro photo of a colorful purple agate stone.  I illuminated it from behind to bring out the interesting mineral textures and deep purple colors.
Barite on fluoride
Macro cubical pyrite on white matrix isolated on gray 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.
View of colemanite mineral (bor, boron, borax, ulexite). It is a borate mineral found in evaporite deposits of alkaline lacustrine environments. It is a secondary mineral that forms.
Photo collection of half-precious stones and gem stones. Here shown: Citrine. You can be sure that this photos showing exactly the stone in the title. Stones are from a collection of a Stone Expert. This stones can be used as healing stones or jewellery.
natural mineral on a green background with crystal quartz crystals is a  beautiful background and an abstract, macro
Colorful Crystal in Dark. 3d Render
Closeup view of Vesuvianite crystals, also known as idiocrase. Color ranging from brown to orange; translucent to transparent. From Pakistan.
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.
closeup of sample of natural mineral from geological collection - specimen of Asbestos rock isolated on white background
Amethyst crystal isolated on the black background.
Macro stone albite mineral on black close up
Image of a crystal cup of enlightenment with colored light
Free Images: "bestof:3d9v bio r 500.jpg en CRYSTAL STRUCTURE OF ROCK I BOUND TO H-1152P A DI-METHYLATED VARIANT OF FASUDIL http //www pdb org/pdb/explore/explore do structureId 3D9V"
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