Chert (Flint)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (chemically precipitated) specimens identified by the Rock Identifier community.
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert / Jasper
Silicon Dioxide (SiO2)
Dyed Blue Agate Slice
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Jasper
Silicon dioxide (SiO2) with impurities
Chert (Chalcedony)
Cryptocrystalline Quartz (SiO2)
Chert (Arrowhead Shard)
Microcrystalline silica (SiO2)
Chert / Jasper
Silicon Dioxide (SiO2)
Yellow Chert (Yellow Jasper)
Silicon Dioxide (SiO2)
Chert (specifically Brown Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert (Chalcedony/Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Chert (Field-collected Arrowhead-shaped Fragment)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Jasper type)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Jasper type)
Microcrystalline Quartz (SiO2)
Limestone with Chert or Siltstone bands
Sedimentary carbonate rock (CaCO3) often with siliceous impurities
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Silicon Dioxide (SiO2)
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and organic impurities
Banded Calcite (Green Onyx)
Calcium Carbonate (CaCO3)
Chert (Yellow/Brown variety)
Chert (SiO2)
Chert / Jasper
Cryptocrystalline Silica (SiO2)
Leopard Skin Jasper
Silicon Dioxide (SiO2) with various inclusions
Dyed Agate (Tumbled)
Silicon Dioxide (SiO2) - stained microcrystalline quartz
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Chert (Silicon dioxide, SiO2)
Chert (Flint)
Microcrystalline Quartz or Cryptocrystalline Silica (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Tan/Grey variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert with Quartz Veining
Microcrystalline Quartz (SiO2)
Ironstone Concretion (Limonite/Goethite)
Ferruginous concretion (Fe2O3·nH2O)
Chert (Basanite / Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Common Chert Pebble)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (Basanite / Jasper)
Microcrystalline quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Pink Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Vein-filled Porphyry or Brecciated Jasper Pebble
Brecciated volcanic rock with quartz/calcite veins
Sandstone (Ferruginous)
Arenite with Iron-oxide inclusions (SiO2 primarily)