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rough round agate mineral sample with outer shell geode
China,The Tibet autonomous region,Nyingchi ( a county in the Xizang Autonomous Region ),
Marble mining plant at the east of the island. White stone in blocks and gravel. Seaside of the Thracian sea. Porto Vathy, island Thassos (Thasos), Greece.
prismatic quartz mineral clusters on rock specimens from the UK
The normal liver cells or hepatocytes contain lipid droplets, more frequent near the central vein of hepatic lobules, that can be demonstrated using osmium tetroxide as fixative. In steatosis or fatty liver disease, the amount of lipid droplets is pathologically very increased.
Ammonite in limestone rock (Bavaria, Germany)
...an old Spanish coin, a means of payment from the Iberian Peninsula made of metal
Bivalvia Fossil inside a limestone rock on moss floor. Gastropods from the jurassic period captured during autumn season.
Plastic polluting the dunes near Tatajuba beach, Camocim, Ceara, Brazil.
Concretion formations in a rock in the Grand Staircase-Escalante National Monument in southern Utah during the fall. Concretions are precipitated mineral deposits that form in the spaces of sedimentary rock.
A garden banden snail (Cepaea hortesis) in close-up on a stone in the morning sunlight.
Close-up paintings at La Cieneguilla Petroglyph Site near Santa Fe, NM. The petroglyphs were painted between circa 1400 and 1800 by Keresan-speaking Pueblo Indians.
Computer generated 3D illustration with the dinosaur Suchomimus in a landscape
Calama, Chile
Coral in Molasses Reef
Backgrounds,Table, Material, Marble - Rock, Nature, Stone Material, Full Frame,
Boiling water bubbler Geyser. Active geyser with major eruptions. Yellowstone NP, Wyoming, US
Frozen Puddle in the Meadow, Canada
Apache tear (obsidian) from the USA
Photomicrograph of freshwater leech. Sucker attached to cover slip at bottom. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination. Note - motion blur of live animal, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
columnar basalt rock, Cape Stolbchaty on Kunashir Island, in the foreground bases of lava basalt columns form a kind of pavement
Mica, silicate phyllosilicate.
scenic coast landscape at Zumaia Flysch trail in the basque country, Spain
Cross section of rock  backgrounds
Close-up of a group of four differently colored stones in a stream bed. Different textures surrounded by cold water.
fossil of ammonite. Limestone rock.
Calcareous slope in Costa Rica
The Magdalen Islands (îles de la Madeleine) are an archipelago in the Canadian Gulf of St. Lawrence belonging to Quebec.
Green moss growing in the pond
Dried and cracked ground in the desert,Serbia,Nikon D850
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