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Mineral Fusinus sp. Pliozän
Macro cubical pyrite on white matrix isolated on gray background
Agate is a microcrystalline variety of quartz, chiefly chalcedony, cryptocrystalline form of silica.  Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks but can be common in certain metamorphic rocks. Most agates occur as nodules in volcanic rocks or ancient lavas where they represent cavities originally produced by the disengagement of volatiles in the molten mass which were then filled, wholly  by siliceous matter deposited in regular layers upon the walls. Cathedral Valley, Capitol Reef National Park, Utah.
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.
Silica Quartz mineralisation around purple fluorite cubic crystals in a mineral rock sample
Ice cave in Greenland
Magma
Crystal mineral spodumene. Commercially mined source of lithium (Li). Black background. Copy space.
Agate raw ore
Druza of large crystals of galena, with crystals of calcite and siderite
Orthoclase, or orthoclase feldspar (KAlSi3O8), is an important tectosilicate mineral which forms igneous rock. The close-up image shows several Orthoclase crystals.
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.
Slice of rotten salmon, covered with mold and bacteria in plastic lunchbox.
Bismuth is a golden-black mineral. Close-up, background and texture of the mineral.
Unique sandstone formations along the shoreline of Hornby Island, a popular travel destination along the west coast of Canada.
White selenite on a white background.
Turkish soup backgrounds
Petrified wood, 20 million years old wood. Wood turned into stone
Cubic halite crystal
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.
Rose Quartz mineral stone sample under polarized light
Naturally formed geological formation shale close-up
A mica sample being held in the hand of a geologist.  The specimen was found in the US state of Maine.
specimen of natural raw quartz crystal cutout on white background
Fossilised Fish
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.
Large Quartz Stone - Close-up image.  A Beautiful geological piece well illuminated. is a hard, crystalline mineral composed of silica (silicon dioxide).
Potassium permanganate crystals under a microscope. Abstract science  or chemistry background
The Artists' Paintpots are a vibrant geothermal area. Known for its colorful hot springs and bubbling mud pots, the site showcases a variety of hues due to different minerals and thermophilic microorganisms.
Free Images: "bestof:Thorium reactor ORNL.jpg Photo of a molten-salt reactor MSR at Oak Ridge National Laboratory before their thorium energy research ended <br/> There is a larger"
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Martin_Marietta_X-24B.jpg
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Melissodes_confusa,_F,_Side,_UT,_Garfield_County_2014-06-17-17.09.jpg
Stelis_nitida,_F,_Side,_Michigan,_Keweenaw_County_2014-11-06-11.09.jpg
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Melissodes_rivalis,m,back,Lincoln_Co,_WY_2016-02-25-11.13.jpg
Megachile_species,_m,_south_africa,_kruger,_side_2016-12-08-17.15.jpg
Megachile_species,_m,_south_africa,_kruger,_back_2016-12-08-17.10.jpg
Melissodes_lupina,m,face,Lincoln_Co,_WY_2016-02-25-12.03.jpg
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Megachile_species,_m,_south_africa,_kruger_2016-12-08-17.03.jpg
Tumbler_Snapper_rope_tricks.jpg
Homeland Security; World Trade Center; Steel Fireproofing (5941047642).jpg
Melissodes_near_bimaculatus,_f,_virginia,_pulaski_county,_back_2016-12-16-13.31.jpg
Lasioglossum_,_f,_propodium,_Humboldt_Co._CA_2016-04-16-00.30.jpg
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Nomada_luteola,_m,_face,_Maryland_2016-04-16-01.26.jpg
Bombus_fraternus,_m,_left_side,_Charleston_Co.,_SC_2016-09-14-11.30.jpg
Ptilothrix_bombiformis,_m,_right_side,_Pr._George's_Co._Maryland_2016-06-16-19.30.jpg
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X10_Reactor_Face.jpg
Atmospheric radiocarbon 1954-1993.svg
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INEEL_58-1360_HAER_ID-33-D-64_195650pu.jpg
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BWR Mark I Containment sketch with downcomers.svg
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Interior View of the Additive Manufacturing Integrated Energy (Amie) 3D-Printed House.jpg
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Vortex chamber prototype.jpg
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New heat pump water heater that works much like a window air conditioner.jpg
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