Chert (Green Chert or Jasper)
Silicon Dioxide (SiO2)
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Chert (Green Chert or Jasper)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (often called Flint)
Silicon Dioxide (SiO2)
Chert (Iron-stained or Dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert / Chalcedony
Silicon Dioxide (SiO2)
Green Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline quartz (SiO2)
Chert (Flint) Nodule
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (variously known as Flint)
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint) with Glauconite
Microcrystalline Quartz (SiO2)
Chert (with Limestone matrix)
Microcrystalline Quartz (SiO2)
Chert (Grey-Green Var.)
Silicon Dioxide (SiO2)
Banded Agate
Silicon Dioxide (SiO2) - Chalcedony
Bauxite
Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))
Asphalt Chunk (with aggregate)
Bituminous concrete / Anthropogenic conglomerate
Yellow Chert
Sedimentary cryptocrystalline quartz (SiO2)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Chert (often called Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (variations include Flint or Jasper)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (with small quartz vug)
Chert (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Brown Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Aura Quartz Geode
Titanium/Gold bonded Quartz (SiO2 with metallic coating)
Quartz Fragment
Silicon Dioxide (SiO2)
Limonite (Iron Stone Concretion)
Limonite (Hydrous Iron Oxide) - FeO(OH)·nH2O
Chert / Chalcedony Nodules
Silicon Dioxide (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Silica (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sulfur on matrix
Native Sulfur (S8)
Halite (Rock Salt)
Halite (Sodium Chloride, NaCl)
Limestone with Fossil Inclusion
Sedimentary Calcium Carbonate (CaCO3)
Chert (Jasper/Brown Chert)
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Limonite (Iron Ore)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
Chert (Quartz-rich)
Microcrystalline Silica (SiO2)
Snakeskin Jasper
Microcrystalline Quartz (SiO2) with iron inclusions