Chert (often called Flint)
Silicon Dioxide (SiO2)
Category
Browse anthropogenic sedimentary style organic solid specimens identified by the Rock Identifier community.
Chert (often called Flint)
Silicon Dioxide (SiO2)
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in sedimentary/volcanic host
Green Chert
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint Nodules)
Chert (Silicon Dioxide, SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Chert Nodule in Limestone)
Microcrystalline Quartz (SiO2)
Chert (often called Flint)
Chert (Microcrystalline or cryptocrystalline Silica, SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically a flint nodule component)
Microcrystalline quartz (SiO2)
Chert / Flint
Chert (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Petrified Wood
Silicified wood (primarily SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Chert (and Limestone)
Silicon Dioxide (SiO2) in Calcium Carbonate (CaCO3)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert Concretion with Iron Oxide Staining
Microcrystalline Quartz (SiO2)
Chalcedony
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Picture Jasper
SiO2
Bituminous Coal
Organic-rich sedimentary rock (Complex hydrocarbons)
Jasper
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Pyrite Concretion
Iron Sulfide (FeS2) in Sedimentary Matrix
Sedimentary Sandstone
Arenite (Sedimentary Rock)
Petrified Wood
Silicified Wood (primarily Quartz/SiO2)
Chert Nodules in Limestone
Cryptocrystalline Quartz (SiO2) within Calcium Carbonate (CaCO3)
Amber
Succinate (Fossilized Resin)
Chert (Common Opal/Jasper variety)
Microcrystalline Quartz (SiO2) with hydration
Shark Tooth Fossil
Carcharocles megalodon or similar extinct shark tooth
Green Chert
Microcrystalline Quartz (SiO2)
Sedimentary Rock with Crafts (Pet Rock)
Sedimentary rock decorated with synthetic materials
Soil with Mineral Detritus and Quartz Fragments
Regolith / Silicate Mineral Aggregate
Fossiliferous Chert
Silicon Dioxide (SiO2) with fossil inclusions
Fossilized tooth, likely a mammalian tooth fragment
Indeterminate fossil tooth; possibly an ungulate or carnivoran tooth
River Cobble (Sandstone)
Arenite (primarily SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Jasper
Microcrystalline Quartz (SiO2)