Sandstone
Arenite (predominantly SiO2 with iron oxides)
Category
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
Sandstone
Arenite (predominantly SiO2 with iron oxides)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite
Chalcedony (Agate / Moss Agate)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone
Sandstone (clastic sedimentary rock)
Jasper and Chalcedony
Silicon Dioxide (SiO2) microcrystalline quartz
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite
Quartz Geode
Silicon Dioxide (SiO2)
Satin Spar Selenite
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
Green Quartz (Prasiolite/Adventurine)
Silicon Dioxide with inclusions (SiO2)
Quartz Druzy (on Matrix)
Silicon Dioxide (SiO2)
Red Sandstone
Sedimentary Arenite / Quartzose Sandstone
Likely weathered iron-rich breccia or jasper
Silicified iron-oxide breccia; exact identification requires testing
Sandstone
Arenite (SiO2 with various cementing minerals)
Likely weathered gneiss
Foliated metamorphic rock, commonly quartz–feldspar–mica gneiss
Sandstone
Arenite (SiO2 based)
Banded gneiss
Foliated gneiss, likely quartz–feldspar–mica gneiss
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
Yellow Ocher (Iron-rich Silt/Clay)
Goethite-rich Limonite (FeO(OH)qnH2O)
Red Sandstone
Sandstone (principally Quartz with Iron Oxide coating)
Quartz Geode
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (specifically Banded Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Banded)
Clastic sedimentary rock (primarily SiO2)
Biotite (Black Mica)
Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2
Sandstone (Quartzite texture)
Clastic sedimentary rock (primarily SiO2)
Satin Spar (Gypsum)
Hydrous Calcium Sulfate (CaSO4·2H2O)
Sandstone
Sedimentary Rock (Quartzose Sandstone)
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2)
Riverstone (Sandstone or Quartzite)
Sedimentary Rock (likely Arenite)
Sandstone
Sedimentary Rock (Quartz arenite)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Sandstone Pebble
Arenite (Clastic Sedimentary Rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Sandstone
Arenite (composed mainly of SiO2)
Sandstone
Arenite (primarily composed of SiO2)
Sandstone (River Cobble)
Sandstone (principally composed of Quartz, SiO2)
Banded sedimentary rock (likely sandstone or siltstone)
Layered siliciclastic sedimentary rock; exact identification is not possible from the image alone
Conglomerate
Conglomerate (clastic sedimentary rock)
River Pebble
Weathered Sedimentary Rock Fragment