Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (fossilized organic remains) specimens identified by the Rock Identifier community.
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (and Flint)
Microcrystalline Silica (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (and/or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Silicon Dioxide (SiO2)
Chert (Green variety)
Chert (Silicon Dioxide, SiO2)
Chert (specifically Banded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Banded Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Cryptocrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (Pink variety/Jasper)
Silicon Dioxide (SiO2)
Chert (Black Chert/Flint)
Microcrystalline quartz (SiO2)
Chert / Flint Pebble
Silicon Dioxide (SiO2)
Chert (Red Jasper)
Microcrystalline Quartz (SiO2)
Chert / Flint
Chert (Microcrystalline Quartz, SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Tan Chert or Flint)
Silicon Dioxide (SiO2)
Chert (variations include Flint/Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Calamites Fossil in Sandstone
Calamites (Genus) in Lithic Sandstone
Amber (Rough)
Succinite (Resinite)
Stromatolite fossil in Chert/Jasper
Cyanobacteria / Microcystis (fossilized)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Amber
Succinite (specifically for Baltic amber); chemical formula approx. C10H16O
Kambaba Jasper
Stromatolite Jasper (Microcrystalline Quartz)
Sandstone Pebble
Arenite (SiO2 with minor mineral cements)
Sandstone (Ferruginous)
Arenite with Iron Oxide staining (Fe2O3)
Sandstone
Clastic Sedimentary Rock (composed of SiO2 grains)
Fossil Shell
Phylum Mollusca (Bivalvia or Brachiopoda)
Coprolite
Coprolite (fossilized feces)
Chert (Chalky variety)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (SiO2 based)
Amber
Succinite
Petrified Wood
Silicified wood (primarily SiO2)
Chert (Flint Nodules)
Microcrystalline Quartz (SiO2)
Fossiliferous Shale
Laminated Mudrock with plant fossils