Sandstone (Ferruginous)
Sandstone (primarily SiO2 with iron oxide Fe2O3 staining)
Category
Browse man made composite (lithified equivalent of sedimentary) specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Sandstone (primarily SiO2 with iron oxide Fe2O3 staining)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Shiva Lingam
Cryptocrystalline Quartz (Jasper) with Iron Oxide inclusions
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Weathered Sandstone / Quartzite
Quartz Arenite
Limestone
Calcitic Limestone (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (predominantly SiO2 quartz grains)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Hematite/Limonite oxides)
Sandstone
Arenite
Sandstone
Arenite (composed primarily of SiO2)
Diabase (Dolerite)
Diabase or Dolerite
Red Sandstone (Arkose)
Clastic Sedimentary Rock (Lithic Arkose)
Limestone
Limestone (Calcium Carbonate, CaCO3)
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Quartzose type)
Arenite (primarily SiO2)
Limestone ( weathered ) / Chert Nodular Rock
Sedimentary rock (primarily Calcium Carbonate, CaCO3, with Microcrystalline Quartz, SiO2)
Petrified Wood
Silicified wood (Quartz variant, SiO2)
Red Sandstone
Clastic sedimentary rock (primarily Quartz with Hematite)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
Limestone
Calcareous sedimentary rock (primarily Calcium Carbonate, CaCO3)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Sandstone (Pebble)
Arenite (primarily SiO2)
Pearl (likely Freshwater or Akoya Cultured)
Aragonite / Conchiolin composite (CaCO3)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Limestone with possible fossil inclusions
Sedimentary Calcium Carbonate (CaCO3)
Sandstone (with Iron Staining)
Arenite (Siliclastic sedimentary rock)
Gabbro
Phaneritic Basic Igneous Rock
Sandstone (Quartzose)
Arenite (primarily SiO2)
Tumbled sandstone pebble
Quartz-rich sandstone, commonly subarkose or arkose
Limestone
Calcium carbonate (CaCO3)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Quartz Arenite)
Sandstone (Chemical formula: primarily SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Limonitic Iron Ore / Goethite
Hydrated Iron(III) oxide-hydroxide (primarily FeO(OH)·nH2O)
Limestone
Calcium Carbonate (CaCO3)