Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Cryptocrystalline Quartz (SiO2)
Pyrite
Iron Sulfide (FeS2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Chalcedony / Agate
Silicon Dioxide (SiO2)
Chert (Arrowhead variety)
Chert (SiO2)
Chert (Red Jasper)
Microcrystalline Quartz (SiO2)
Travertine
Calcareous Tufa / Travertine (CaCO3)
Chert (Chalky Flint Node)
Chert (Microcrystalline Quartz, SiO2)
Chert (with Quartz)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Flint or Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Limonite
Limonite (FeOO·nH2O)
Chert (Flint/Jasper)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Silicon dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
Bauxite (Concretionary)
Bauxite (Al(OH)3, AlO(OH))
Chert (Nodule)
Chert (Silicon Dioxide, SiO2)
Chert / Flint
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
Limestone with Lichen
Sedimentary Calcium Carbonate (CaCO3)
Gray Limestone
Carbonate rock (CaCO3)
Bauxite
Bauxite (Al2O3·nH2O)
Bauxite
AlOx(OH)3-2x (mixture of Gibbsite, Boehmite, and Diaspore)
Amber (specifically Cherry Amber)
Succinite (with the chemical formula C10H16O)
Baltic Amber (Butterscotch or Egg Yolk Variety)
Succinite (chemical formula: C10H16O)
Chert
Chert (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Blue Calcite
Calcium Carbonate (CaCO3)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Hematite or Goethite-rich Ironstone
Ironstone (Oxidized Iron Ore)
Chert (Nodule)
Silicon Dioxide (SiO2)