Sandstone
Sandstone (Sedimentary rock composed of silicate grains)
Category
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
Sandstone
Sandstone (Sedimentary rock composed of silicate grains)
Sandstone with Quartz Veins
Arenite (primarily SiO2 with Fe2O3 staining)
Bivalve Fossil
Bivalvia (Phylum Mollusca)
Limonite (Ochreous Sandstone)
Hydrous ferric oxides (FeO(OH)qnH2O)
Sandstone
Arenite (primarily SiO2)
Quartz Druzy
Silicon Dioxide (SiO2)
River Pebble (Siltstone / Fine-grained Sandstone)
Sedimentary Pebble (Siliclastic)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (likely Arkose or Lithic)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Sandstone pebble
Sandstone (SiO2 with iron oxides)
Shale with Siltstone layering
Sedimentary Clastic Rock (Mudstone/Shale)
Sandstone (with Concretion)
Arenite / Quartzose Sandstone
Sandstone
Sedimentary Rock (Quartz arenite / Lithic sandstone)
Quartz-veined Sandstone
Quartzite-veined Arenite / SiO2 and quartz sand
Gneiss
Gneiss (Metamorphic Rock)
Sandstone
Arenite
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
Sandstone (Ferruginous)
Sandstone (primarily SiO2 with Iron Oxide cement)
Ironstone Concretion / Chert Nodules
Iron-rich Sedimentary Concretion (Fe2O3 / SiO2 mix)
Quartz Geode with Calcite/Siderite
Crystalline Silicon Dioxide (SiO2) with Carbonate inclusions
Sandstone
Arenite (SiO2 based)
Calcite on Matrix
Calcium Carbonate (CaCO3)
Sandstone
Sandstone (Siliciclastic Sedimentary Rock)
Sandstone
Arenite (predominantly SiO2 with iron oxides)
Sandstone (River Cobble / Pebble)
Sedimentary Rock (Quartz Sandstone / Arenite)
Sandstone Pebble
Arenite (SiO2 complex)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Sedimentary rock composed mainly of quartz sand grains
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily Quartz)
Red Jasper (or Banded Jasper)
Silicon Dioxide (SiO2 with Hematite impurities)
Satin Spar (Gypsum)
Hydrous Calcium Sulfate (CaSO4·2H2O)
Sandstone
Sedimentary Clastic Rock (Quartz-rich)
Sandstone
Arenite (primarily SiO2)
Sandstone (River Rock)
Arenite (composed primarily of SiO2)
Red Sandstone
Sedimentary Quartz Arenite / Arkose
Conglomerate
Clastic Sedimentary Rock
Pyrite Nodule
Iron Sulfide (FeS2)