Sandstone
Clastic sedimentary rock (primarily Quartz and Feldspar)
Category
Browse mineral, often found as detrital grains in sedimentary rocks specimens identified by the Rock Identifier community.
Sandstone
Clastic sedimentary rock (primarily Quartz and Feldspar)
Blue Chalcedony
Silicon Dioxide (SiO2)
Sandstone
Arenite
Sandstone Geode (Ironstone Concretion)
Arenite with Limonite/Hematite matrix (SiO2 with Fe-oxides)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Sandstone (Quartzite-rich Pebble)
Arenite (primarily SiO2)
Sandstone (Micaceous/Feldspathic variant)
Arenite (specifically subarkose or lithic arenite)
Sandstone (with manganese staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
Shale
Fissile Mudstone (primarily composed of clay minerals and quartz)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Sandstone (Ferruginous)
Arenite with Iron-oxide inclusions (SiO2 primarily)
Sandstone (Quartzose)
Arenite (SiO2 based)
Ferruginous Sandstone
Arenite with Iron-Oxide Cement (FeO(OH)·nH2O / Fe2O3)
Sandstone (with potential iron-oxide weathering)
Arenite (SiO2 based)
Sandstone
Arenite (SiO2-rich)
Sandstone
Arenite
Greywacke (River/Beach Pebble)
Greywacke (Impure Sandstone)
Quartz (likely Milky Quartz)
Quartz (SiO₂ - Silicon Dioxide)
Pyrite
Iron Pyrite (FeS2)
Sandstone (with cross-bedding)
Arenite (composed primarily of Quartz: SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Quartz Sandstone)
Arenite (primarily SiO2)
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
Sandstone (Weathered Pebble)
Arenite (primarily SiO2)
Sandstone (Water-worn Cobble)
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone with Liesegang Rings
Arenite with Iron Oxide Concretions
Sandstone (Ferruginous)
Arenite (with iron oxide cement, Fe2O3)
Sandstone or Limestone
Sedimentary Rock
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Oolitic Chert
Silicon Dioxide (SiO2) with Oolitic texture
River Rock / Stream Pebble
Fluvial Clast / Rounded Sedimentary Particle
Sandstone (Quartzite Pebble)
Arenite (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (with potential mineral inclusions)
Clastic sedimentary rock (primarily Quartz, SiO2)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (Lithic Sandstone)
Sandstone with Algae Growth
Arenite with Chlorophyta/Lichen