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Micrograph of a moss leaf, Dicranum, with elongated cells, and an elongated midrib (costa) that may be the water conducting cells of the leaf, with polarization at 100x.
fossil of ammonite. Limestone rock.
Thailand Koh Samet Rock and Water Texture
Pegmatite (an igneous rock) with black tourmaline (a semi-precious gemstone) in an old stone foundation deep in the woods of western Connecticut
closeup colorful igneous rock background
Aerial view showing a lake surrounded by rugged landscape seen from top of the Cradle Mountain in Tasmania, Australia.
Apache tear (obsidian) from the USA
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.
Close-up of a group of four differently colored stones in a stream bed. Different textures surrounded by cold water.
Mayan Sacrificial Dagger - Knife Arrowhead
...an old Spanish coin, a means of payment from the Iberian Peninsula made of metal
Lichen on a white marble of an old Greek temple.
Ancient stone jungle like an alien world
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.
Bandelier National Monument, New Mexico
Backgrounds,Table, Material, Marble - Rock, Nature, Stone Material, Full Frame,
glittering colorful rock as background
Cross section of rock  backgrounds
Beautiful Stone texture and background. Rock texture. Seamless rock texture bakground closeup
forest, texture, beauty in nature, background
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.
A stock photo of yellow Lichen on a rock in the Nevada desert.
internal tissue of a sea creature's shell. pores. macro photo.
stone Backgrounds
Petrified Forest National Park, a natural attraction place with many petrified tree trunks and fossils, in Arizona, USA.
Interesting  pattern in hot springs. Looks like a tree to me
Boiling water bubbler Geyser. Active geyser with major eruptions. Yellowstone NP, Wyoming, USA
Old Green Wall Background, Full Frame
Spider webs on dead cactus
Frozen Puddle in the Meadow, Canada
Free Images: "bestof:Monjurosuchussplendens.jpg en Fossil of Monjurosuchus splendens from Liaoning Province China on display at the San Diego County Fair California USA Own Stickpen"
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Young female mummy from near Lupo, Peruvian Andes, about 550 years old - San Diego Museum of Man - DSC06926.JPG
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Sorrento court.jpg
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Cool street in hillcrest.jpg
Mission Beach regulations.jpg
San Francisco Conservatory of Music - DSC01305.JPG
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Gorilla gorilla - San Francisco Zoo - San Francisco, CA - DSC03909.jpg
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Unidentified glass fruit - De Young Museum - DSC00305.JPG
View-of-Stow-lake-at-San-Francisco-Golden-Gate-Park.jpg
View-of-Stow-lake-at-San-Francisco-Golden-Gate-Park.jpg
Reliefs - Spreckels Temple of Music - San Francisco, CA - DSC05238.JPG
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San Diego sunrise.jpg
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Coranado San Diego cabrillo.jpg
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Fountain in park San Diego.jpg
Balboa park arboreum in San Diego.jpg
Looking taowards downtown San Diego.jpg
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San Diego scenics fields and hills.jpg
San Diego sailboats morning sunrise cityscape.jpg
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Haikou skyline 3 - 2009 09 07.jpg
Haikou skyline 6 - 2009 09 07.jpg
Tunilla erectoclada.jpg
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Amtrak station and fountain in downtown San diego.jpg
Sunset - Carmel Beach, California - DSC07156.JPG
Sunset - Carmel Beach, California - DSC07159.JPG
Adams street fair crowd people.jpg
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Football stadiums crowds fields scoreboards chargers.jpg
Haikou street and bike lane - 01.jpg
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Pismo Beach Sunset.JPG
Fountain at the trolley station in downtown San Diego.jpg
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Tianya Haijiao - 01.jpg
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Kaldari Habronattus amicus male 04.jpg
BMW i3 front.jpg
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2013_Warrior_Games_Wheelchair_Basketball_130414-N-DT940-554.jpg
Haikou New Port various boats and ships 13.jpg
Black's beach 1024-768.jpg
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