Siltstone
Siltstone (Clastic Sedimentary Rock)
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Siltstone
Siltstone (Clastic Sedimentary Rock)
Sandstone (Micaceous)
Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)
Quartz Pebble / River Silt Grain
Silicon Dioxide (SiO2)
Sandstone
Arenite (major component SiO2)
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
Jasper and Agate Mix
Silicon dioxide (SiO2) - Microcrystalline Quartz
Banded gneiss pebble
Gneiss, typically quartz–feldspar–mica assemblage
Flint
SiO2 (Microcrystalline quartz / Chert)
Limestone (River Stone)
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 principal composition)
Sandstone
Arenite (primarily SiO2)
Sandstone with Iron Staining
Arenite (SiO2 with FeO(OH) impurities)
Sandstone
Arenite
Sandstone
Arenite
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (SiO2 based)
Sandstone Pebble
Arenite (SiO2 based)
Sandstone
Arenite (SiO2 based)
Sandstone (Ferruginous)
Sandstone (clastic sedimentary rock, mainly SiO2 with iron oxide cement)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
River Sandstone (Lithic Arenite)
Lithic Sandstone (SiO2 dominated with lithic fragments)
Sandstone
Arenite (SiO2 principal)
Limestone (specifically a Crushed Aggregate fragment)
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (Quartz-rich)
Arenite (primarily SiO2)
Sandstone (Quartzite-rich)
Clastic sedimentary rock (primarily SiO2)
Sandstone (lithic wacke/arenite)
Clastic sedimentary rock (primarily SiO2)
Limestone with Calcite Crystals
Sedimentary Rock containing Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 based)
Sandstone (likely Quartz Sandstone)
Arenite (composed primarily of SiO2)
Dalmation Stone
Peralkaline Rock (mixed silicate minerals)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (SiO2 primarily)
Dalmation Stone (often called Dalmatian Jasper)
Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite
Ironstone Concretion / Limonite
Goethite and Limonite (FeO(OH)·nH2O)
Quartzite (Meta-sedimentary)
Quartzite (SiO2)