Chert (Flint)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Chert (Flint)
Microcrystalline Quartz (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Chert (Flint Nodules)
Microcrystalline quartz (SiO2)
Chert (Field Stone)
Chert (Silicon Dioxide, SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Chert (Jasper)
Silicon Dioxide (SiO2)
Limonite (Iron Ore Congcretion)
Limonite (a mixture of hydrated iron(III) oxide-hydroxides, FeO(OH)·nH2O)
Chert (specifically Flint or Common Opal)
Silicon Dioxide (SiO2)
Wonderstone (Sandstone)
Liesegang Banded Sandstone (SiO2 dominated)
Bauxite
Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)
Celadonite in Basalt (Green Earth)
Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (with Iron Staining)
Microcrystalline Quartz (SiO2)
Sandstone with Liesegang Rings
Clastic Sedimentary Rock with Iron Oxide Precipitates (SiO2 + Fe2O3)
Chert (specifically Flint)
Silicon Dioxide (SiO2)
Chert (within Limestone)
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
Limestone
Limestone (Calcium Carbonate, CaCO3)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Calcite
Calcium Carbonate (CaCO3)
Limestone (Micritic)
Sedimentary rock mainly composed of Calcium Carbonate (CaCO3)
Limonite (Ironstone Concretion)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
Limestone (Elephant Skin or Karst-weathered)
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Chert (Beach Pebble)
Microcrystalline Quartz (SiO2)
Limestone with Weathering Rind
Calcium Carbonate (CaCO3) - Bioclastic or Micritic Limestone
Quartz Crystal on Matrix
Silicon Dioxide (SiO2)
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Honey Calcite
Calcium Carbonate (CaCO3)
Blue Calcite
Calcium Carbonate (CaCO3)
Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony)
Silicon dioxide (SiO2) - Microcrystalline quartz
Chert (Iron-rich or Slate-like variant)
Silicon Dioxide (SiO2)
Amber Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Chalcedony/Flint)
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Chert (varieties: Flint or Chalcedony)
Microcrystalline silica (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)