Sandstone
Arenite (major component SiO2)
Category
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
Sandstone
Arenite (major component SiO2)
Sandstone
Arenite (SiO2 based)
Limestone
Calcite (CaCO3)
Quartz Pebble
Silicon Dioxide (SiO2)
Fossilized Bone
Permineralized Vertebrate Bone
Shark Tooth Fossil
Chondrichthyes (class) fossilized tooth
Fossil Seashell
Invertebrate fossil (Bivalvia)
Fossil Shell (Bivalve)
Phylum Mollusca, Class Bivalvia
Fossil Shell (Bivalve)
Class Bivalvia (fossilized)
Chert / Flint
Microcrystalline quartz (SiO2)
Chert / Flint (Artifact)
Microcrystalline Quartz (SiO2)
Siltstone with Fossil Cast
Sedimentary Rock (Siltstone / Fine-grained Sandstone)
Limestone
Calcium Carbonate (CaCO3)
Chert (Flint)
Silicon dioxide (SiO2)
Chert (Jasper-rich)
Silicon Dioxide (SiO2)
Chert (Flint/Jasper variety)
Microcrystalline quartz (SiO2)
Chert
Chert (SiO2)
Chert (Jasper/Flint variant)
Microcrystalline quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (Jasper/Agate mix)
Microcrystalline Quartz (SiO2)
Sandstone Concretion
Septarian Concretion (Nodule)
Chert (variations include Flint or Jasper)
Cryptocrystalline Quartz (SiO2)
Sandstone (Micaceous Sandstone)
Arenite (SiO2 with KAl2(AlSi3O10)(OH)2 inclusions)
Chert (Nodule)
Chert (variety of microcrystalline quartz, SiO2)
Chert / Flint
Chert (Microcrystalline Quartz, SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (specifically Gray Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Limonite (Iron Ore)
Limonite (Hydrous iron(III) oxide-hydroxide mixture, primarily FeO(OH)·nH2O)
Mudstone/Siltstone with Liesegang Bands
Argillaceous Sedimentary Rock with Chemical Banding
Sandstone (Pet Rock)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Conglomerate (Puddingstone)
Conglomerate (specifically, clastic sedimentary rock)
Chert
Silicon dioxide (SiO2)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (Lithic Sandstone)
Limestone
Calcium Carbonate (CaCO3)
Breccia
Breccia (Clastic sedimentary rock)
Limestone
Calcareous sedimentary rock (CaCO3)
Sandstone
Arenite (SiO2 based typically)
Sandstone
Arenite
Sandstone (Iron-stained)
Arenite (primarily Quartz, SiO2)