Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Category
Sedimentary (Anthropogenic)
Browse sedimentary (anthropogenic) specimens identified by the Rock Identifier community.
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Fossil Shark Tooth
Selachii (fossilized dentition)
fossil
Limpets Shell / Fossil Specimen
Patellogastropoda (Class)
fossil
Banded Siltstone
Siltstone (primarily SiO2 with clay minerals)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline Silica (SiO2)
sedimentary
Chert (Jasper variation)
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (or Flint)
SiO2 (Microcrystalline Quartz)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Chert (Microcrystalline Silicon Dioxide, SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Chert / Flint
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
sedimentary
Jasper / Chert (Red)
Cryptocrystalline quartz (SiO2)
Sedimentary / Mineral
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Red Sandstone
Sedimentary Quartz Arenite / Arkose
sedimentary
Sandstone
Sedimentary Rock (Quartz Arenite)
sedimentary
Sandstone
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Sandstone with Manganese Staining
Quartz Arenite / Sedimentary Rock
sedimentary
Sandstone
Sedimentary Rock (Quartz Sandstone)
sedimentary
Sandstone
Arenite (Siliclastic sedimentary rock)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Sandstone or Limestone
Arenite or Calcareous Sedimentary Rock
Sedimentary
Sandstone
Arenite (Clastic Sedimentary Rock)
sedimentary
Sandstone (Ferruginous)
Arenite (Siliclastic Sedimentary Rock)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Siltstone
Siltstone (Clastic Sedimentary Rock)
sedimentary
Sandstone (Micaceous)
Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)
sedimentary
Quartz Pebble / River Silt Grain
Silicon Dioxide (SiO2)
sedimentary
Sandstone
Arenite (major component SiO2)
sedimentary
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
sedimentary
Jasper and Agate Mix
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Banded gneiss pebble
Gneiss, typically quartz–feldspar–mica assemblage
metamorphic
Flint
SiO2 (Microcrystalline quartz / Chert)
sedimentary
Limestone (River Stone)
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 principal composition)
sedimentary
Sandstone with Iron Staining
Arenite (SiO2 with FeO(OH) impurities)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary