Jasper
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Jasper
Microcrystalline Quartz (SiO2)
Fossil Shark Tooth
Selachii fossil
Sandstone Concretion
Sedimentary Concretion (Quartz sand bound by mineral cement)
Quartz pebble
Silicon dioxide (SiO2)
Quartz Sandstone
Quartz Arenite
Quartz Pebble
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (Chalcedony), SiO2
Limestone
Calcium Carbonate (CaCO3)
Quartz pebble
Silicon dioxide (SiO2)
Common Gravel / Pebble
Lithified rock fragment / Detrital sediment
Banded Sandstone
Quartz-rich Arenite Sandstone
Fossilized Bivalve in Limestone
Class Bivalvia within Sedimentary Matrix (likely CaCO3)
Chert (Flint Nodule)
Silicon Dioxide (SiO2)
Chert / Flint
SiO2 (Silicon Dioxide)
Chert (Common Opal/Agate variety)
Microcrystalline Quartz (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Red/Brown)
Arenite (composed primarily of SiO2)
Chert (Jasper/Flint variant)
Microcrystalline Quartz (SiO2)
Limonite stained Sandstone
Sedimentary rock with Goethite/Limonite (FeO(OH)·nH2O)
Chert (Flint/Jasper)
Silicon Dioxide (SiO2)
Chert (Jasper-like Silicate)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
Sandstone
Sedimentary Rock (Quartz arenite)
Sandstone
Quartzose Sandstone (Sedimentary Rock)
Limestone with Stylolites
Calcareous sedimentary rock (CaCO3)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Sandstone
Sedimentary Rock (Quartz arenite)
Chert (River Siltstone/Quartzite)
Sedimentary Cryptocrystalline Quartz (SiO2)
Sandstone (Quartzose)
Arenite (Siliciclastic sedimentary rock)
Milky quartz fragment
Quartz (silicon dioxide, SiO₂)
Tumbled banded sandstone pebble
Quartz-rich sandstone (chiefly SiO₂), likely iron-oxide-stained
Rounded gray river pebble, likely fine-grained sandstone or siltstone
Indeterminate clastic sedimentary rock; possibly quartz-rich sandstone or siltstone
Milky quartz (likely quartz vein fragment)
Quartz, silicon dioxide (SiO₂)
Banded Chert
Chert (Silicon Dioxide, SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (composed mainly of SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (with secondary weathering/concretion)
Arenite (composed primarily of Quartz, SiO2)
Sandstone (likely Quartzose Sandstone with mineral staining)
Arenite (composed mainly of SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)