Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Category
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Chert (Arrowhead)
Chert (SiO2)
Dyed Agate
Agate (Cryptocrystalline Quartz), SiO2
Limestone Cobble
Carbonate Rock (CaCO3)
Chert (variations like Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite
Red Sandstone
Arenite
Ironstone (Limonitic Shale)
Ferruginous Siltstone / Goethite-rich Sedimentary Rock
Celestite (Celestine) Geode
Strontium Sulfate (SrSO4)
Limestone
Calcareous sedimentary rock (CaCO3)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Chert (Flint)
Chert (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Chert (and Limestone) River Cobble
Microcrystalline Quartz (SiO2) within Calcium Carbonate (CaCO3)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Quartz
Silicon dioxide (SiO2)
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
Green Calcite
Calcium Carbonate (CaCO3)
Chalcedony (Moonstone variant or White Agate)
Silicon Dioxide (SiO₂)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Magnetite Orthorthotropic Rock
Magnetite (Fe3O4)
Carnelian Agate
Chalcedony (SiO2) with iron oxide inclusions
Bauxite
Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))
Bauxite
Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))
Bauxite
Bauxite (Al(OH)3, AlO(OH))
Bauxite
Bauxite (Al2O3·2H2O mixed with iron oxides)
Hematite
Hematite, Iron(III) oxide (Fe2O3)
Chert (Commonly called Jasper or Flint)
Chert (SiO2)
Chert (specifically Flint or Common Opal variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone (River Pebble)
Sedimentary Calcium Carbonate (CaCO3)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)