Pyrite in Shale
Iron Sulfide (FeS2) in Argillaceous Shale
Category
Browse anthropogenic sedimentary style organic solid specimens identified by the Rock Identifier community.
Pyrite in Shale
Iron Sulfide (FeS2) in Argillaceous Shale
Amber
Succinite (specifically for Baltic Amber), Formula: C10H16O
Chert (River Stone)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (specifically Flint or Common Chert)
Silicon Dioxide (SiO2)
Chert (Yellow/Tan)
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (with Limestone/Dolomite host)
Microcrystalline Quartz (SiO2)
Chert (Arrowhead/Projectile Point)
Microcrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Pink Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (and Jasper blend)
Chert (Microcrystalline Quartz, SiO2)
Chert (Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Black Chert or Flint)
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (varieties include Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Pink variety)
Microcrystalline Quartz (SiO2)
Fossilized Echinoid (Sea Urchin)
Echinoidea (Fossil)
Chert (Pebble)
Silicon Dioxide (SiO2)
Fossilized Shark Tooth
Scapanorhynchus (Sand Tiger Shark relative)
Chert (specifically Flint or Jasper variant)
Microcrystalline quartz (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Yellow/Brown Jasper)
Silicon Dioxide (SiO2)
Chert (Chert Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Petrified Wood
Silicified Wood (SiO2)
Red Jasper Concretion
Cryptocrystalline Quartz (SiO2)
Chert (Commonly known as Flint or Jasper)
Chert (SiO2)
Chert (Chert Nodule with Cortex)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Orthoceras Fossil in Limestone
Orthoceras (extinct genus of cephalopods) in Carboniferous or Devonian Limestone
Chert (Jasper/Black Chert)
Silicon Dioxide (SiO2)
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (varietal Chalcedony or Flint)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Quartz Geode
Silicon Dioxide (SiO2)
Zebra Jasper
Opaque microcrystalline Quartz (SiO2) with impurities
Chert (often called Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Jasper/Limonitic Chert)
Microcrystalline Quartz (SiO2)
Chert (Jasper variation)
Silicon Dioxide (SiO2)
Chert (Jasper-rich)
Microcrystalline/Cryptocrystalline Quartz (SiO2)
Red Jasper
Quartz (SiO2) with iron oxide inclusions
Fossilized Shark Tooth (Basal Bone)
Otodus sp. (Mineralized Hydroxyapatite)