Sandstone
Arenite (primarily SiO2)
sedimentary
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Chert (Flint variety)
Silicon dioxide (SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Coquina Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Sandstone
Sandstone (principally SiO2)
sedimentary
Limestone
Limestone (CaCO3)
sedimentary
Asphalt (Bituminous Slate/Sandstone)
Asphaltum / Bituminous Rock
sedimentary
Orange Calcite (Banded Calcite)
Calcium Carbonate (CaCO3)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
mineral
Limestone
Calcareous sedimentary rock (CaCO3)
sedimentary
Specular Hematite
Hematite (Fe2O3)
mineral
Hematite
Ferric Oxide (Fe2O3)
mineral
Flint (Chert)
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Sandstone
Arenite (primary component SiO2)
sedimentary
Shale
Fissile Mudstone (Shale)
sedimentary
Sandstone
Arenite
sedimentary
Chert / Flint Conglomerate
Silicified Sedimentary Breccia (primarily SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Banded Iron Formation (BIF)
Banded Iron Formation (BIF), SiO2 / Fe2O3
sedimentary
Bauxite
Bauxite (mainly Al(OH)3, AlO(OH))
sedimentary
Desert Rose (Gypsum/Barite)
Gypsum (CaSO4·2H2O) or Barite (BaSO4) inclusion
sedimentary
Bauxite
Bauxite (Al2O3·nH2O)
sedimentary
Fossiliferous Shale (with Vertebrate Bones)
Laminated Mudstone containing Fossilized Bone (Apatite)
sedimentary
Amber Inlay Jewelry
Fossilized Resin (C10H16O)
Organic Gemstone (Biogenic)
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (specifically Gray Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Calcite
Calcium Carbonate (CaCO3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Ferruginous Chert
Silicon dioxide with iron oxide impurities (SiO2 + Fe2O3)
sedimentary
Chert (often referred to as Flint or Jasper)
Chalcedony (SiO2) - Silicon Dioxide
sedimentary
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Flint nodule)
Silicon Dioxide (SiO2)
sedimentary
Gold
Native Gold (Au)
mineral
Gypsum Wallboard (Drywall)
Hydrous calcium sulfate (CaSO4·2H2O)
sedimentary (processed mineral product)
Limestone
Calcium Carbonate (CaCO3)
sedimentary