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Sciences: Biology · Geology · Materials science · Mathematics · Others. See also: Space/Understanding |
Adularescence in a moonstone cabochon, by Didier Descouens
Shale formation, by Crisco 1492
Aragonite, by JJ Harrison
Pyromorphite, by Iifar
Bultfonteinite, by Iifar
Stellerite, by Iifar
Blairmorite, by Paul Glombick (edited by Bammesk)
Hemimorphite, by Iifar
Vanadinite, by Iifar
Himalayan salt, by Iifar
Thin section scan, by Kallerna
Sarychev Peak at Explosive eruption, by NASA
Specimen from a palaeontological site of Lebanon at Paleontology in Lebanon, by Mila Zinkova
Crystalline dolomite and magnesite, by Didier Descouens
Platinum, by Alchemist-hp
Concretions, by Mbz1
Opal, by JJ Harrison
Creedite, by JJ Harrison
Malachite, by JJ Harrison
Amethyst, by JJ Harrison
Azurite, by JJ Harrison
Pyrite, by JJ Harrison
Cinnabar, by JJ Harrison
Weathered rocks at Joshua Tree National Park, by Mila Zinkova
Quartz, by JJ Harrison
Crocoite, by JJ Harrison
Gypsum, by JJ Harrison
Mount Redoubt eruption, by R. Clucas (USGS) (edited by Janke)
Petrified log at Petrified Forest National Park, by Moondigger
Sandstone, by Moondigger
2004 Indian Ocean Earthquake tsunami at 2004 Indian Ocean earthquake and tsunami, by Vasily V. Titov, NOAA (edited by Veledan)
Tsunami in Thailand at 2004 Indian Ocean earthquake and tsunami, by David Rydevik
Incandescent Pahoeoe Fountain at Shield volcano, by J.D. Griggs, USGS
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