Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary rock (specifically a chemical sedimentary rock, or a chert if considered purely mineral aggregate) specimens identified by the Rock Identifier community.
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Silicon Dioxide (SiO2)
Chert with Quartz/Calcite Vein
Microcrystalline Silica (SiO2)
Yellow Chert (Jasper)
Silicon Dioxide (SiO2)
Limestone (specifically Fossiliferous Limestone)
Calcium Carbonate (CaCO3)
Pink Granite
Phaneritic Plutonic Felsic Igneous Rock (Granite)
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
Chert (Pebble)
Chert (Microcrystalline Quartz, SiO2)
Chert (specifically Gray/Banded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (specifically Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Limestone with Chert or Siltstone bands
Sedimentary carbonate rock (CaCO3) often with siliceous impurities
Chert (Chert Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Common Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Jasper in this color)
Microcrystalline quartz (SiO2)
Chert (Jasper/Mudstone variety with Oxidation)
Silicon dioxide (SiO2)
Chert
Chert (Microcrystalline Silica, SiO2)
Chert (Red Jasper variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
Limestone
Calcium Carbonate (CaCO3)
Chert (Yellow/Brown Jasper)
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variation)
Chert (SiO2)
Chert with Quartz Veins
Microcrystalline Quartz (SiO2)
Chert (or Flint)
Silicon dioxide (SiO2)
Chert with Asphaltum (or Tar)
Silica (SiO2) with natural Bitumen/Asphaltum
Limestone (specifically Travertine or Tufa)
Calcium Carbonate (CaCO3)
Chert (and its variety Flint)
Silicon dioxide (SiO2) / Microcrystalline quartz
Chert / Quartz Pebble
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Nodule)
Microcrystalline quartz (SiO2)
Chert (specifically Yellow or Brown Chert / Jasper)
Silicon Dioxide (SiO2)
Chert (containing Quartz/Chalcedony)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Chert (specifically Gray/Black Chert)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Chert / River Pebble
Microcrystalline Silica (SiO2)
Conglomerate
Conglomerate (clastic sedimentary rock)
Chert (Flint)
Chert (predominantly SiO₂ - silicon dioxide)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Silica (SiO2)