Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Category
Browse sedimentary (synthetic) specimens identified by the Rock Identifier community.
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Conglomerate with Quartz Inclusions
Conglomerate (clastic sedimentary rock) with internal Quartz (SiO2)
Limestone (specifically Dolomitic/Crystalline Limestone)
Sedimentary Carbonate Rock (CaCO3 / CaMg(CO3)2)
Chert (often called Jasper or River Pebble)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (SiO2 principal component)
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
Sandstone
Arenite (Siliclastic sedimentary rock, primarily SiO2)
Chert Nodules (with Quartz Inclusions)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Limestone
Limestone (CaCO3)
Fossiliferous Limestone
Fossiliferous Limestone (containing bioclasts)
Limestone
Calcium Carbonate (CaCO3)
Zebra Jasper
Silicon Dioxide (SiO2) with impurities
Sandstone
Arenite
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Sandstone
Arenite
Sandstone (Ferruginous)
Arenite (Fe-rich)
Chert (Flint)
Silicon Dioxide (SiO2)
Limonitic Iron Ore / Goethite
Hydrated Iron(III) oxide-hydroxide (primarily FeO(OH)·nH2O)
Limestone
Limestone (Calcium Carbonate - CaCO3)
Sandstone (lithic/greywacke variety)
Arenite (composed primarily of SiO2 with various lithic fragments)
Limestone
Calcium Carbonate (CaCO3)
Chert (Yellow/Tan Variety)
Chert (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Crushed Limestone (Gravel)
Calcium Carbonate (CaCO3)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Quartz Arenite)
Sandstone (Chemical formula: primarily SiO2)
Sandstone (likely Quartzite-grade)
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2, or Silicon Dioxide)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (with potential iron-oxide staining)
Arenite (primarily SiO2)
Limestone (with potential fossil inclusions)
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily Quartz, SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone (Brecciated/Recrystallized)
Calcium Carbonate (CaCO3)