Concretions Collection

Gallstones, artwork
Gallstones. Cutaway computer artwork showing gallstones (brown, lower left) in a human gall bladder (red, oval). The gall bladder is a small muscular sac lying under the liver (not seen)

A long exposure of the Moeraki Boulders on the South Island along a stretch of Koekohe Beach

Eroded sandstone concretions and formations at Shore Acres State Park, Oregon. Date: 18-06-2020

Mineral concretions at Shore Acres State Park, Oregon. Date: 16-06-2020

Calculous concretions common to ox, sheep and pig (colour litho)
5202555 Calculous concretions common to ox, sheep and pig (colour litho) by English School, (19th century); Private Collection; (add.info.: Calculous concretions common to ox, sheep and pig)

While crossing the Chamber of Candles
Christian Roustan (Kikroune)

Moeraki Round Boulders
Yair Tzur

New Zealand, South Island, Otago, Moeraki Boulders on beach
Large and round Moeraki Boulders are grey-colored septarian concretions with distinct cracks which have been exhumed from the mudstone enclosing them

Bowling Ball Beach near Point Arena, California, USA

Ginger Rock formation on eroded coastal rocks with tourists, Yehliu Geopark, Yehliu Promontory, Taiwan, April

Gall stones, artwork C016 / 7520
Gallstones. Cutaway computer artwork showing gallstones (blue, round, lower left) in a human gall bladder (oval, sac-like, lower left)

Kidney stones, artwork C016 / 7531
Kidney stones. Computer artwork showing a section through a human kidney containing kidney stones (yellowish, right). The ureter (tube)

Gall stones, artwork C016 / 7519
Gallstones. Cutaway computer artwork showing gallstones (blue, round, upper left) in a human gall bladder (oval, sac-like, upper left)

Gall stones, artwork C016 / 7518
Gallstones. Cutaway computer artwork showing gallstones (small, round, upper left) in a human gall bladder (oval, sac-like, upper left)

Kidney stones, artwork
Kidney stones. Computer artwork showing a section through a human kidney containing kidney stones (whiteish). The ureter (lower left)

Bladder stones, artwork
Bladder stones. Computer artwork showing a section through a human bladder containing bladder stones (whiteish, centre). The urethra can be seen (vertical, lower centre)

"Moqui marbles" - Hematite concretions from the Navajo sandstone of southeast Utah
CAN-4388 Moqui marbles Hematite concretions from the Navajo sandstone of southeast Utah John Cancalosi contact details: prints@ardea.com tel: +44 (0) 20 8318 1401

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Discover the fascinating world of concretions, where nature's artistry takes shape. From gallstones to mineral formations, these unique structures captivate our imagination. Eroded sandstone concretions and formations at Shore Acres State Park in Oregon showcase the intricate beauty created by time and weathering (Date: 18-06-2020). These geological wonders resemble calcareous calculous concretions found in oxen, sheep, and pigs (colour litho), reminding us of the diverse forms they can take. While crossing the Chamber of Candles or exploring New Zealand's Moeraki Round Boulders on Otago beach (Date: 16-06-2020), we witness nature's craftsmanship firsthand. Bowling Ball Beach near Point Arena in California also boasts its own collection of spherical marvels that intrigue visitors from afar. Ginger Rock formation on eroded coastal rocks with tourists at Yehliu Geopark in Taiwan showcases how these natural sculptures become tourist attractions (April). Even kidney stones inspire artwork as we delve into their intriguing composition and can a testament to Earth's ability to create awe-inspiring masterpieces over time.