Sandstone (Quartz-rich)
Arenite (SiO2 based clastic rock)
sedimentary
Category
Anthropogenic Sedimentary (Man Made)
Browse anthropogenic sedimentary (man made) specimens identified by the Rock Identifier community.
Learn about Anthropogenic Sedimentary (Man Made) in the encyclopedia
View all →
Chert (Septarian Nodules-like)
Silicon dioxide (SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Seashell (Cockle Shell)
Cardiidae (Bivalvia), primary composition: Calcium Carbonate (CaCO3) in the form of aragonite or calcite
fossil
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Agate Nodule
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 with assorted lithic fragments)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Limestone (specifically Grainstone or Micrite)
Calcium Carbonate (CaCO3)
sedimentary
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone
Sedimentary Rock (Quartz/Feldspar grains cemented together)
sedimentary
Quartz Sandstone
Quartz Arenite
sedimentary
Purple Conglomerate
Polymictic Conglomerate
sedimentary
Sandstone Concretion
Sedimentary Concretion (Quartz sand bound by mineral cement)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Fossil Shark Tooth
Selachii fossil
fossil
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Banded Sandstone
Quartz-rich Arenite Sandstone
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Common Gravel / Pebble
Lithified rock fragment / Detrital sediment
sedimentary
Chert (Flint Nodule)
Silicon Dioxide (SiO2)
sedimentary
Fossilized Bivalve in Limestone
Class Bivalvia within Sedimentary Matrix (likely CaCO3)
fossil
Chert / Flint
SiO2 (Silicon Dioxide)
sedimentary
Chert (Common Opal/Agate variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variant)
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone (Red/Brown)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Limonite stained Sandstone
Sedimentary rock with Goethite/Limonite (FeO(OH)·nH2O)
sedimentary
Chert (Flint/Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper-like Silicate)
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone
Sedimentary Rock (Quartz Sandstone)
sedimentary
Limestone with Stylolites
Calcareous sedimentary rock (CaCO3)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Sandstone
Sedimentary Rock (Quartz Sandstone)
sedimentary
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Sandstone
Quartzose Sandstone (Sedimentary Rock)
sedimentary