Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 impurities)
Category
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 impurities)
Ferruginous Sandstone (with Iron Oxide staining)
Clastic Sedimentary Rock - Quartz Arenite/Wacke
Fossilized Shell in Limestone
Bivalve fossil (CaCO3) in Carbonate Sedimentary Rock
Stromatolite
Biogenic Sedimentary Rock (composed predominantly of CaCO3)
Coquina / Fossiliferous Limestone
Calcite-rich Bioclastic Sedimentary Rock (CaCO3)
Sandstone (Greywacke)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
Conglomerate with Native Copper
Clastic Sedimentary Rock with Native Copper (Cu)
Travertine (Ceramic Tile)
Terrestrial Sedimentary Rock / Calcium Carbonate (CaCO3)
Sandstone (Quartzose Pebble)
Clastic Sedimentary Rock (Litharenite/Quartz arenite)
Siltstone
Siltstone (fined-grained clastic sedimentary rock)
Sandstone Pebble (Quartzite-rich)
Clastic Terrigenous Sedimentary Rock (SiO2 dominant)
Quartz Veined Siltstone or Graywacke
Clastic Sedimentary Rock with Quartz (SiO2) veining
Sandstone (Ferruginous)
Clastic Sedimentary Rock (SiO2 with FeO/Fe2O3)
Sandstone Chert/Quartzite
Silicon Dioxide (SiO2) - Sedimentary Sandstone / Orthoquartzite
Limestone
Calcite-rich Sedimentary Rock (CaCO3)
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (SiO2 with accessory minerals)
Sandstone
Arenite (often composed of Quartz, SiO2)
Chert (Smooth River Pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Greywacke (River Siltstone)
Lithic Sandstone / Greywacke
Sandstone
Quartz Arenite (a common type of sandstone, given the appearance), Arkose, Greywacke (depending on mineralogy)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert Geode or Nodule
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Chert (composed of Microcrystalline Silica/SiO2)
Carnelian
Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)
Sandstone (Weathered Pebble)
Arenite (primarily SiO2)
Moqui Marble
Iron Oxide Concretion (Limonite/Hematite over Sandstone)
Dragon Blood Jasper
Epidote-containing Quartz and Chlorite (SiO2 + (Ca2(Al, Fe)3(SiO4)3(OH)))
Sandstone (Ferruginous/Banded)
Clastic Terrigenous Sandstone (SiO2 with Fe2O3 cement)
Sandstone (Greywacke/Lithic Sandstone)
Arenite / Lithic Sandstone
Limestone with Calcite Veining
Calcium Carbonate (CaCO3)
Ferruginous Sandstone (Red Sandstone)
Arenite with Hematite/Limonite cement
Sandstone (Ferruginous)
Arenite (iron-rich)
Limestone
Calcium carbonate (CaCO3)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (Iron-rich)
Sandstone (Weathered Pebble)
Arenite (SiO2 primarily)
Sandstone
Arenite (primarily SiO2)
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (likely Arkose)
Arenite (composed mainly of SiO2 with Feldspar)