Chert (Chert Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Chert (Chert Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert / Flint
Chert (Cryptocrystalline Quartz, SiO2)
Pyrite with Limonite/Goethite Alteration (Pseudomorph)
Iron Sulfide (FeS2) transitioning to Hydrated Iron Oxides (FeO(OH)·nH2O)
Limestone
Calcium Carbonate (CaCO3)
Limonite (Iron Ore)
Limonite (Iron oxide-hydroxide mixture, FeO(OH)·nH2O)
Blue Calcite
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Chert (Silicon Dioxide, SiO2)
Chert (Flint)
Chert (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Chert (specifically Pink Chert or Jasperized Chert)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (specifically Flint or Jasper variant)
Microcrystalline silica (SiO2)
Chert (Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)
Chert (specifically Flint or Common Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Chert (Cryptocrystalline Silica, SiO2)
Chert (variations include Flint or Jasper)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (varietal Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (or Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Travertine
Terrestrial Sedimentary Form of Calcium Carbonate (CaCO3)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
Chert (and/or Siltstone River Pebble)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert Nodule
Chert (Cryptocrystalline variety of Quartz, SiO2)
Chert (Nodule)
Chert (composition: SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony variety)
Microcrystalline Quartz (SiO2)
Jasper (specifically Chert/Ironstone)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Chert (Jasper-rich)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Chert (specifically Banded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (and Flint)
Silicon Dioxide (SiO2)
Ironstone (Limonitic Concretion)
Limonite (FeO(OH)·nH2O) with Goethite and Hematite inclusions
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert / Flint
Cryptocrystalline Quartz (SiO2)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Chert (variant Flint/Jasper)
Microcrystalline Opaline Silica (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline silica (SiO2)
Chert
Microcrystalline Quartz (SiO2)