Chert (Yellow or Brown Jasper)
Microcrystalline Quartz (SiO2)
Category
Browse anthropogenic sedimentary style organic solid specimens identified by the Rock Identifier community.
Chert (Yellow or Brown Jasper)
Microcrystalline Quartz (SiO2)
Green Chert (Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Fossilized Oyster Shell (Limestone/Coquina)
Crassostrea (Fossilized Bivalve), Calcium Carbonate (CaCO3)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (River Pebble)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Black Dolomite
Bituminous Dolomite (CaMg(CO3)2)
Banded Chert
Silicon Dioxide (SiO2)
Chert (Black Chert/Flint)
Silicon Dioxide (SiO2)
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Calligraphy Stone
Fossiliferous Limestone (containing Hematite and Shells)
Chert (Flint)
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
Chert (specifically Flint)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (and/or River Pebble)
Microcrystalline quartz (SiO2)
Chert (often called Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Black Mountain Stone (Seiryu Stone)
Limestone with Calcite veins (CaCO3)
Chert (Jasper/Flint variety)
Microcrystalline silicon dioxide (SiO2)
Fossiliferous Limestone
Bioclastic Limestone (CaCO3)
Chert (Basanite / Flint)
Microcrystalline Quartz (SiO2)
Yellow Chert (Chert / Cryptocrystalline Quartz)
Silicon Dioxide (SiO2)
Chert (specifically Flint or Chalcedony nodule)
Microcrystalline Quartz (SiO2)
Chert (and Flint variant)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Iron-rich)
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
Chert (Gravel)
Microcrystalline silica (SiO2)
Chert (variously Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO₂)
Petrified Wood
Silicified Wood (primarily SiO2)
Chert (Flint Pebbles)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or River Stone)
Microcrystalline alpha-quartz (SiO2)
Chert (Smooth River Siltstone/Basalt variant)
Silicon dioxide (SiO2) / Microcrystalline Quartz
Chert (containing Flint and Calcareous inclusions)
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) impurities
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert Nodule (Flint)
Chert (Silicon Dioxide, SiO2)
Fossil Shark Tooth
Carcharocles (Otodus) sp. or similar fossilized Chondrichthyes tooth
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert with Iron Staining
Microcrystalline Quartz (SiO2)