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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
