Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Category
Browse sedimentary (physico chemical) specimens identified by the Rock Identifier community.
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Weathered Sandstone Cobble
Arenite / Quartz Sandstone
Chert (variations include Flint or Jasper)
Chert (chemical sedimentary rock), Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz Sand / Sandstone grains
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Red Jasper
Microcrystalline Quartz (Chalcedony), SiO2
Chert (Jasper / Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon dioxide (SiO2)
Chert / Flint
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert Cobble / Quartzite River Stone
Microcrystalline Quartz (SiO2) / Quartzite
Orange Calcite
Calcium Carbonate (CaCO3)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Red Jasper Pebble
Opaque microcrystalline Quartz (SiO2) with Iron Oxide
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Goethite/Hematite Nodule
Goethite (FeO(OH)) and Hematite (Fe2O3)
Chert (often called Flint or Jasper)
Microcrystalline Quartz (SiO2)
Chert
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline or cryptocrystalline quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Black Chert/Flint)
Chert (Silicon Dioxide, SiO2)
Chert (Commonly known as Flint or River Pebble)
Microcrystalline Quartz (SiO2)
Chert (variant Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Chert (Jasper variation)
Silicon Dioxide (SiO2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Quartz)
Silicon Dioxide (SiO2)
Yellow Chalcedony
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Chert (and Flint)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)