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Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
Isolated sample of a shale rock on texture background. shale Metamorphic Rock sample. Shale mineral stone isolated.
Gray rock with black and green lichen. Close-up.
Tonsil stones or Tonsillolith on the napkin, chronic tonsillitis
kaolinite mineral sample under light microscopy
Bornite, also known as peacock ore, is a sulfide mineral with chemical composition Cu 5FeS 4 and it is a common copper ore
Flat tire, close-up screw nail in the car tire
Green moldavite stone czech crystal mineralogy meteorite
Campo del Cielo meteorite specimen, named for the location of its recovery in Argentina.
A view of bauxite mineral under sun light on radial blurred background.
Sea Urchin Fossil. The close-up image shows a sea urchin fossil from the jurassic period on white background.
.45 ACP bullet recovered from the crime scene.
Rheum officinale, Chinese rhubarb, Rheum palmatum L．
set of various unpolished black rocks with names cutout on white background
Close up of an olivine basalt lava rock.
Small object printed on metal 3d printer macro. Dental crowns created in laser sintering machine close-up. SLM, SLS technology. Concept 4.0 industrial revolution. Progressive modern additive technolog
Silver Bar
moldavite mineral isolated on the black background
Insect in Amber, Fossils Close up
Thread-waisted wasps nest
cross section of a precious mining material
stone with yellow backgound
chinese medicine Aloe vera resin, dried juice
Hand specimen sample of andesite breccia at the site to be described
Sea Urchin spine fossil. The close-up image shows a sea urchin fossil from the jurassic period inside a limestone.
Fragment of the Sikhote-Alin meteorite on white background. Selective focus with shallow depth of field.
Magnified close up of porphyritic granite with fledspar.
Drawer full of well-organized minerals
A kidney stone on a white background. Photographed alongside a US dime coin for a size reference.
Free Images: "bestof:From car, July 26, large specimen, 9 mm (13); From car, August 2, large specimen, 11 mm (14); From car, August 18.jpeg check categories 19 September 2015 2"
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