Sandstone
Clastic sedimentary rock (primarily SiO2)
Category
Browse mineral, often found as detrital grains in sedimentary rocks specimens identified by the Rock Identifier community.
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Sandstone (clastic sedimentary rock, composed predominantly of sand-sized minerals or rock fragments)
Limestone with Calcite Crust
Sedimentary Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Granite Gneiss
Gneiss (containing quartz, alkali feldspar, plagioclase, biotite/amphibole)
Sandstone (Common Quartz Pebble/Rock)
Sedimentary rock / Quartz arenite
Sandstone
Arenite (primarily SiO2)
Sandstone (with potential fossil fragments)
Sandstone (SiO2 dominated with iron oxides)
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2)
Siltstone / Slate
Siltstone / Low-grade Slate
Sandstone
Sedimentary Rock (Quartz arenite)
Sandstone
Arenite (primarily Quartz-rich sedimentary rock)
Sandstone Pebble
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (iron-rich)
Quartzite
Quartzite (SiO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (composed primarily of Quartz: SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (with Iron Staining)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Sandstone Concretion
Sedimentary concretion
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Graywacke or Arkosic varieties)
Arenite (composed primarily of SiO2)
Granitic Pegmatite
Pegmatitic Granite
Sandstone
Arenite
White Agate / Chalcedony
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (Sandstone)
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 principal composition)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone (Quartz-rich Cobble)
Arenite
Garnet
Almandine-Pyrope group, X3Y2(SiO4)3
Sandstone (Ferruginous)
Arenite with Iron Oxide matrix
Red Sandstone
Clastic Sedimentary Mineraloid (predominantly Quartz grains with Iron Oxide cement)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Schist
Mica Schist (Variable chemistry, often rich in muscovite and biotite)
Stream-Rounded Shale or Mudstone
Argillaceous sedimentary rock
Sandstone (likely Calcareous or Micaceous)
Clastic sedimentary rock (primarily Quartz with Cementing Agents)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Tumbled Agate (Carnelian/Sard)
Silicon Dioxide (SiO2)
Glauconite (Greensand)
Glauconite ((K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)
Quartz
Quartz (SiO2 - Silicon Dioxide)