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A copper mine ore nugget.
Ryongmun limestone cave in Myoyhang Mountains, North-Korea.
banded iron ore from desert area in northern Chad, Africa isolated on white background
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
This shock-induced rock displays the typical horsehair or fir leaf patterns which are indicators of shock in rock layers beneath meteor craters. Shot in the UNESCO Vredefort Dome World Heritage Site, North-West Province, South Africa.
Agate is a microcrystalline variety of quartz, chiefly chalcedony, cryptocrystalline form of silica. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks but can be common in certain metamorphic rocks. Most agates occur as nodules in volcanic rocks or ancient lavas where they represent cavities originally produced by the disengagement of volatiles in the molten mass which were then filled, wholly by siliceous matter deposited in regular layers upon the walls. Cathedral Valley, Capitol Reef National Park, Utah.
Tree bark is bark and bast and protects the tree from enemies
Gray rock with black and green lichen. Close-up.
A collection of minerals from the sea on a glass table.
chinese medicine semen momordicae, Momordica cochinchinensis on black background
Close-up of fossilized and petrified trunks in Pietrified Forest National Park in Arizona.
Scleractinian coral fossil on a Ammonite fossil. Both from the jurassic period found in the canton of Aargau.
Imprint of an ancient plant on a stone in the hands of a man
Beautiful crab shell isolated on black background
Cordierite stone in a closeup
Close up of an olivine basalt lava rock.
Macro mineral stone Adamite on a white background close up
Rheum officinale, Chinese rhubarb, Rheum palmatum L．
crocoite from Tasmania, Australia isolated on white background
Sea Urchin Fossil. The close-up image shows a sea urchin fossil from the jurassic period on white background.
Realgar natural mineral isolated on white
The Heart Nebula.
Fossilized coral branches and fragments offer insights into ancient marine environments, reef development, and ecological conditions over millions of years
Stone image on a white background
Equisetum (horsetail, snake grass, puzzlegrass) is the only living genus in Equisetaceae for education in laboratory.
chinese medicine Tripterygium wilfordii, thunder god vine on black background
Fragment of the Chelyabinsk meteorite (15 February 2013)
Magnified close up of large crystal white and black granite.
Отпечаток древнего ископаемого растения на камне. Imprints of ancient plants on the stone
Just 1500 lightyears from Earth and a breath of 5 light years. Imaged captured with SeeStar S50 and processed with PixinSight.
Free Images: "bestof:Betacrist.jpg Beta-cristobalite own 2006-09-12 Ian Swainson Octopodes at http //en wikipedia org en wikipedia en wikipedia Octopodes Original upload log page en"
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