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Leiden leaf c.s. under microscope
Cancelled Stamp From The United States Featuring Five Native American Tribes That Were Forced To Resettle In The State Of Oklahoma.
Is igneous rock formed by slow cooling from vulcanic magma of basaltic composition
Magnified close up of porphyritic granite with fledspar.
A chert conglomerate from the Fig Tree Formation of the Barberton greenstone belt
A 1998 Austria postage stamp with an illustration of a landscape scene within Kalkalpen National Park in Upper Austria; postmarked in Vienna (Wien).
boulder opal from Queensland, Australia isolated on white background
Piece of natural mineral gemstones in gift store
Tasty nori seaweed as a background. Top view.
plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white background
Big natural stone green amber on white background
American colony, New Sweden.
The stalactites are in wooden trays in an exhibition hall
City Square information sign in Boston, Massachusetts, USA.
Characteristics of anatomy and Histological sample Striated (Skeletal) muscle of mammal Tissue under the microscope.
Minnesota County Shapes and Names at State Capitol Building in St. Paul Minnesota
Transmission electron microscope (TEM) micrograph showing dark melanin granules in a melanocyte (top center) and in several keratinocytes, which, unlike melanocytes, have bundles of keratin filaments
Tiger’s eye mineral stone sample macro photography
Details of a fragment of a quartz crystal geode
Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.
Natural stones for jewelry and decoration.
Eroded sedimentary rocks of Cedar Breaks National Monument near Bryan Head Utah
Isolated sample of a Quartzite rock on texture background. Quartzite Metamorphic Rock sample. Quartzite stone isolated.
A close-up of a freshly split Williamsite Serpentine rock in the Rough. This is a type of Bowenite, a variety of Antigorite. It is a serpentine with an apple green colour. It is the Serpentine or Pounamu most frequently encountered in carving and jewellery. The New Zealand Bowenite is called sometimes called Tangiwai, it's Maori name.
Onyx
Mikroklin Amazonit Kristall peak Teller County, Colorado
Charyn Canyon and the Valley of Castles known as Grand Canyon of Kazakhstan.
nephrite mineral stone
a sample of minerals from nature
Magnified close up of an igneous rock with metallic minerals in the cracks.
Free Images: "bestof:Fig6-Lyell.jpg Figure 6 Figures from the book Student's Elements of Geology 1870 Charles Lyell Free for all use PD-old Figures from Student's Elements of"
Female student with open tree identification book looking at tree leaves to identify species.jpg
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Stanisław Samostrzelnik, Św Stanisław.jpg
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Fluoresce figures.jpg
Student walking across the patio.jpg
Black metal figures.jpg
Three figures.jpg
Palaistra_scene_Louvre_G457.jpg
Student walking by the main entry building.jpg
An event leader helps an archery student practice her skills.jpg
Student being shown by teacher how to correctly hold bird being prepared for banding.jpg
Student carefully marks an turtle egg which notes its orientation in the nest.jpg
Teacher handing student wetland plants to put in newly established pond.jpg
A young student pretends to extinguish the flames of a pretend fire.jpg
Student pouring river water into beaker held by teacher and service employee overseeing in background.jpg
An environmental education student gets to feel the back of a young alligator on the refuge.jpg
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Metal door.jpg
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Old iron work on window.jpg
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Weathered barn wood.jpg
Windows blinds drapes.jpg
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Marie_Antoinette_dauphine_Hébé_Drouais_Chantilly.jpg
Gottlieb-Jews_Praying_in_the_Synagogue_on_Yom_Kippur.jpg
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Conversation (Auguste Renoir) - Nationalmuseum - 19139.tif.tiff
Arab Horse Soldiers - Spahis.jpg
StikiJunior Mascot.svg
The_Four_Evangelists_(Abraham_Bloemaert).jpg
Classical landscape with small waterfall and village.jpg
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