Chert (Common Opal/Agate inclusion)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Chert (Common Opal/Agate inclusion)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Chert (Iron-stained or Jasperoid)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Yellow Jasper / Chert
Silicon Dioxide (SiO2) with Goethite or Limonite inclusions
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Cryptocrystalline Quartz (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (White Chert)
Silicon Dioxide (SiO2)
Chert (Nodule)
Chert (Silica, SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (River Pebble)
Silicon Dioxide (SiO2)
Chert (and Chert Geode)
Silicon Dioxide (SiO2)
Banded Chert (Agate-like Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (variably called Jasper or Agate)
Microcrystalline Quartz (SiO2)
Siltstone / Fine-grained Graywacke
Argillaceous siltstone
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Yellow Ochre / Limonite
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
Limonite (Hydrated Iron Oxide / Bog Iron)
FeO(OH)·nH2O
Calcite
Calcium Carbonate (CaCO3)
Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony variant)
Microcrystalline Quartz (SiO2)
Chert (Arrowhead or Flake)
Microcrystalline quartz (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (Gravel)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (often called Flint when dark or worked)
Cryptocrystalline silica (SiO2)
Chert (Yellow variety / Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Yellow/Tan Chert)
Silicon Dioxide (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Arrowhead/Tool variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Basanite / Flint)
Microcrystalline silica (SiO2)
Chert Pebble
Chert (Microcrystalline Quartz, SiO2)
Chert (often called Flint)
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Kaolin Clay in Saprolite Profile
Kaolinite (Al2Si2O5(OH)4) within Weathered Pegmatite/Granite
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (variations include Flint)
Chert (Silicon Dioxide, SiO2)