Chert (Flint)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (physico chemical) specimens identified by the Rock Identifier community.
Chert (Flint)
Microcrystalline Quartz (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Chert / Chalcedony
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
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)
Fordite
Anthropogenic paint-rock
Quartz Pebble
Silicon Dioxide (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Quartz Pebble (with Hematite/Feldspar Inclusions)
Silicon Dioxide (SiO2)
Chert (White Chert or Flint)
Microcrystalline Quartz (SiO2)
Banded Chert
Chert (Silicon Dioxide, SiO2)
Siltstone with Iron Staining
Siltstone
Chert / Quartzite
Silicon Dioxide (SiO2)
Limestone with Lichen
Sedimentary Calcium Carbonate (CaCO3)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (variations include Flint or Jasper)
Chert (chemical sedimentary rock), Quartz (SiO2)
Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock
Chert Pebble with Inclusion
Microcrystalline Quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (includes Flint & Jasper)
Chert (Siliceous sedimentary rock, chemical formula SiO2)
Sandstone with Liesegang Rings
Quartzose Sandstone with Iron Oxide Precipitation
Fossiliferous Limestone
Carbonate sedimentary rock (CaCO3) with bioclasts
Banded Calcite (Onyx Marble / Travertine)
Calcite (Calcium Carbonate, CaCO3)
Calcite on Host Rock
Calcium Carbonate (CaCO3)
Chert (often called Flint when dark)
Sedimentary cryptocrystalline quartz (SiO2)
Banded Flint / Chert
Microcrystalline Quartz (SiO2)
Sandstone (Pebble)
Sandstone (SiO2 with matrix/cement)
Chert / Flint
Silicon Dioxide (SiO2)
Ironstone Pebble
Iron-rich Sedimentary Rock (Fe2O3 / FeO(OH))
Chert (Limonite-stained)
Microcrystalline Quartz (SiO2) with iron oxides
Limonite (Ironstone Concretion)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (within Limestone)
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)