Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
sedimentary
Category
Sedimentary (Imitation)
Browse sedimentary (imitation) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Imitation) in the encyclopedia
View all →
Cockle Shell Fossil
Cardiidae family (Bivalvia)
fossil
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Jasper
Silicon Dioxide (SiO2), Microcrystalline Quartz
sedimentary
Cannonball Concretion
Calcite-cemented Sandstone Concretion
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Seashell Fossil
Gastropoda fossil
fossil
Fossilized Tooth Fragment
Vertebrate Fossil (Mammalia indet.)
fossil
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
sedimentary
Chert / Chalcedony Nodule
Silicon Dioxide (SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) in Geode form
mineral
River Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Pyrite (on Shale/Matrix)
Iron Disulfide (FeS2)
mineral
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Sandstone (with minor weathering/pitting)
Clastic Sedimentary Rock (composed mostly of SiO2)
sedimentary
Tumbled Agate
Silicon Dioxide (SiO2)
gemstone
Seashell Fossil
Invertebrate Bivalve / Gastropod Fossil (Calcium Carbonate, CaCO3)
fossil
Fish Fossil in Limestone
Lycoptera (likely) in Micritic Limestone
sedimentary
Banded Iron Formation (BIF) / Banded Sandstone Nodule
Hematite-rich Sandstone / Ferruginous Chert
sedimentary
Pebble
Lithified rock fragment / Sedimentary clast
sedimentary
Sandstone
Quartz Arenite / Clastic Sedimentary Rock
sedimentary
Sandstone and Mixed Rock Assemblage
Clastic Sedimentary Rock / Quartz Arenite
sedimentary
Sandstone and Gravel Aggregate
Clastic Sedimentary Rock / Quartzose Sandstone
sedimentary
Quartz-veined Limestone
Sedimentary limestone with quartz/calcite veinlets
sedimentary
Fossiliferous Sandstone
Sedimentary rock containing invertebrate fossils
fossil
Sandstone
Clastic sedimentary rock (Quartz arenite)
sedimentary
Ferruginous Sandstone (River Pebble)
Clastic Sedimentary Rock (Iron-rich)
sedimentary
Ironstone Concretion / Limonite-stained Siltstone
Ironstone (primarily Limonite FeO(OH)·nH2O and Siltstone)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Sandstone
Quartz Arenite / Sedimentary Rock
sedimentary
Sandstone
Sedimentary Rock (Quartz Arenite)
sedimentary
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide staining)
sedimentary
Chert
Chert (variant of microcrystalline quartz)
Sedimentary
Sandstone (Pebble)
Sandstone (principally SiO2 with iron oxide impurities)
sedimentary
Limestone (River Pebble)
Calcite (Calcium Carbonate) - CaCO3
sedimentary
Crinoid Marble (Fossilized Limestone)
Crinoidal Limestone (comprising Calcite/Aragonite CaCO3)
sedimentary
Tumbled brown quartz/chert pebble
Microcrystalline quartz (SiO₂), possibly chert or jasper
mineral
Geode (Unopened)
Siliceous Septarian Concretion / Geode (SiO2)
sedimentary
Sphalerite
Zinc Sulfide (ZnS)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral