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Stalactite macro
A ceiling full of the calcite formation soda straws at the Inner Space Cavern in Georgetown, Texas.
Salt formations on the stones of Garmasr salt cave in Iran
The Garmsar Salt Mine are the largest salt mining complex in west Asia and tourist destination in the Semnan province of Iran, known for its ancient salt deposits, unique tunnel formations, and high-purity salt production. Located near the city of Garmsar, these mines produce salt with purity exceeding 98% and feature impressive natural salt structures, including towering pillars and crystalline tunnel labyrinths. The area also has a rich history of human activity, with the discovery of ancient \
Diverse colored quartz rock in cut of earth. Deposits of gray, white, orange quartz. Untreated semi-precious stones of the chalcedony variety  in various stone deposits and layers of different rocks.
Interior of a cave with cave formations like stalactites and stalagmites. Beautiful nature creations. Shot at Rajkova Pecina cave near Majdanpek in Serbia.
Rocks with the release of yellow sulfur, volcanic activity, zone of geothermal activity in the Rotorua region North Island of New Zealand
Large and differently colored stalactites and stalagmites found in the depths of a cave
geology
Spectacular underground limestone rock formations
Lapis Specularis rocks in the roman mine in The Sanabrio caves in Cuenca region, Spain
The Garmsar Salt Mine are the largest salt mining complex in west Asia and tourist destination in the Semnan province of Iran, known for its ancient salt deposits, unique tunnel formations, and high-purity salt production. Located near the city of Garmsar, these mines produce salt with purity exceeding 98% and feature impressive natural salt structures, including towering pillars and crystalline tunnel labyrinths. The area also has a rich history of human activity, with the discovery of ancient \
Limestone dissolved by trickling water has formed both stalagmites and stalactites, and the beauty of the Cave is notable in its own right. (Blur and noise)
Run down wax from many candles - abstract pattern
Wall of a bizarre stone
Breast shaped stalactites
Natural white mineral stalactites forming sharp, icy-like structures, resembling frozen spikes in a cave-like environment.
Spectacular underground limestone rock formations
Close-up on the limestone formations formed over time in the depths of a cave in Piedmont
wasps create hives on the cliffs near Trinidad de Cuba
Rock formation that exhibits natural erosion patterns. Warm tones highlight the rugged surface, creating an artistic portrayal of geological features
Close up of blisters of halite (salt) forming on top of a layer of gypsum (selenite) crystals through the process of efflorescence. Image about 4 wide. Bonneville Salt Flats parking lot, Great Salt Lake, Utah, USA.
Stalactites, stalagmites from minerals in a mountain cave.
Cave wall stalactites creates an abstract background
White vegetal fibers of palm tree, background and texture
Hericium erinaceus (also called lion's mane mushroom, mountain-priest mushroom, bearded tooth fungus, and bearded hedgehog)
Close-up of dried salt and water, an environmental problem
Close-up shot of a natural salt rock formation inside the Hallstatt salt mine in Austria. The image captures the intricate and varied textures of the salt surface — from honeycomb-like pockets to smooth, orange-hued mineral layers. These formations, shaped over thousands of years, tell a visual story of ancient geology, mineral deposits, and the legacy of one of the world's oldest salt mines.\n\nconcept: salt rock macro, cave texture, mineral surface, geological close-up, Hallstatt salt, ancient crystal, natural pattern, earthy mineral, underground formation, rock detail, macro geology, Austrian salt mine, abstract nature art
Closeup and landscape of the Dead sea in Israel
Aydıncık, Mersin
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