Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (physico chemical) specimens identified by the Rock Identifier community.
Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Polished Gemstone / River Stone)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodular Chert)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (White Flint)
Silicon Dioxide (SiO2)
Chert (specifically Gray/Banded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Green Jasperiod)
Chert (Microcrystalline Quartz, SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper influence)
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Jasper if reddish)
Microcrystalline Quartz (SiO2)
Kaolinite (Chalky Clay)
Kaolinite (Al2Si2O5(OH)4)
Chert (with Limestone and Iron Oxide staining)
Cryptocrystalline Quartz (SiO2)
Sand (Construction Grade)
Unconsolidated siliciclastic sediment (primarily SiO2)
Limestone
Calcium carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Yellow Jasper (Limonite-stained Chert)
Silicon Dioxide (SiO2) with Limonite/Goethite inclusions
Chert (Flint)
Silicon Dioxide (SiO2)
Chert / Pink Flint
Cryptocrystalline Quartz (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (specifically Chalcedony/Flint variant)
Silicon Dioxide (SiO2)
Chert (specifically Green Chert/Jasper)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (with Quartz Veining)
Chert (formula: SiO2)
Chert / Quartz Pebble
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Jasper/Flint variety)
Microcrystalline silicon dioxide (SiO2)
Chert / Flint
Cryptocrystalline quartz (SiO2)
Chert (Quartz Pebble)
Silicon Dioxide (SiO2)
Chert (variously known as Flint or Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Red/Pink Jasper subtype)
Silicon Dioxide (SiO2)
Yellow Chert
Sedimentary cryptocrystalline quartz (SiO2)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Dyed Agate
Silicon Dioxide (SiO2)
Chert (Jasper/River Stone)
Silicon dioxide (SiO2) - Microcrystalline quartz
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (Honey Chert or Chalcedony Pebble)
Cryptocrystalline Quartz (SiO2)
Bauxite
Bauxite (mixture of Hydrous Aluminum Oxides)
Bauxite
Bauxite (Al(OH)3, AlO(OH))
Bauxite
Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))
Orange Calcite
Calcium Carbonate (CaCO3)
Halite (Rock Salt)
Halite (Sodium Chloride, NaCl)
Chert (specifically Iron-stained or Jasperoid Chert)
Microcrystalline Quartz (SiO2)