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Mahogany Obsidian gemstone, isolated on black background
Sea Urchin spine fossil.  The close-up image shows a  sea urchin fossil from the jurassic period inside a limestone.
Ammonite from southern Germany, Balingen
A beautifully polished obsidian tool from the South Sea, showcasing the deep black luster and sharp edges characteristic of this volcanic glass. This artifact is a testament to the skilled craftsmanship of ancient civilizations and the rich geological history of the region. Perfect for projects related to geology, archaeology, and ancient tools.
Chunk of Coal - Out of Date Fossil Fuel - Green Revolution / Climate Change
hematite (kidney ore) from Egremont, England isolated on white background
Close-up on a group of hand smoothed Pounamu Greenstone rocks.
Ichnites Paleontological Deposit of La Matecasa, Bretún, Ichnites Route of Highlands of Soria, Soria, Castilla y León, Spain, Europe
Scleractinian coral fossil on a Ammonite fossil. Both from the jurassic period found in the canton of Aargau.
Rainbow Obsidian under microscope
Style life of a geological find of a petrified fossil on a white background
Potassium permanganate crystals under a microscope. Abstract science  or chemistry background
Colorful Crystal texture, design element for use.
Beautiful unusual gray-black crystal stone cassiterite with a metallic sheen standing in the glass stand. Close up for shining crystal standing on the table.
3d render, abstract background with rock
Fossilized fern and other plants. The most ancient gray stone with prints of plants
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
limonite from Wolfsgrün, Vogtland, Germany isolated on white background
Newberry Volcanic National Monument.
vivianite crystal mineral sample very dark with striations
Stibnite, sometimes called antimonite, is a sulfide mineral
Large crystals of ilvaite with split tops in green massive quartz from 2nd Sovetskii Mine, Dalnegorsk, Russia. Collection mineral isolated on white background
Gray rock with black and green lichen. Close-up.
Piece of Shiny Basaltic Lava Rock in Palm of Hand. High quality photo
Devonian cronoid fossils in limestone matrix. Largest is about 1/4\
Beautiful unusual gray-black crystal stone cassiterite with a metallic sheen standing in the glass stand. Close up for shining crystal standing on the table.
Luxury raw purple Agate Crystal surface texture as a background. Natural pattern surface, Abstract design element of mineral stone macro closeup.
Shaligram is a sacred stone found in Gandaki river found in the Muktinath area of Nepal and is a representation of Lord Vishnu.
Fossil Fern inside carbon rocks. The image was captured in the Swiss Alps.
Free Images: "bestof:Ankistrodesmus 2.png en Ankistrodesmus own Obsidian Soul Ankistrodesmus"
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