Chert (with Quartz Veining)
Microcrystalline silicon dioxide (SiO2)
Category
Browse sedimentary (fossilized organic remains) specimens identified by the Rock Identifier community.
Chert (with Quartz Veining)
Microcrystalline silicon dioxide (SiO2)
Chert (often called Flint or Jasper)
Cryptocrystalline quartz (SiO2)
Chert (Iron-stained)
Chert / Microcrystalline Silicon Dioxide (SiO2)
Chert (varieties include Flint and Jasper)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (White Chert or Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Chert (variations include Flint/Jasper)
Chert (SiO2)
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (Quartz Variety)
Chert (SiO2)
Chert
Chert (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
Chert (Fossiliferous)
Silicon Dioxide (SiO2)
Chert (Tan/Grey)
Chert (Silicon Dioxide, SiO2)
Chert (Jasper/Quartzite river stone)
Microcrystalline Silicon Dioxide (SiO2)
Chert (variations include Flint or Jasper)
Aphanitic Silica (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (specifically Gray/Black Chert)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Chert (often called Flint for darker varieties)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert / Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (and Flint)
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Chert / Flint)
Silicon Dioxide (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Chert (Silicon Dioxide, SiO2)
Chert (Flint/Jasper)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Coral Fossil
Scleractinia (Fossilized Coral)
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Sandstone (with carbonaceous plant fragments)
Arenite (composed primarily of SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (River Siltstone/Quartzite type)
Microcrystalline Quartz (SiO2)
Fossil Coral (Favosites Honeycomb)
Favosites (Genus), Phylum Cnidaria, Class Anthozoa
Banded Chert (Ironstone type)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Chert (Jasper/River Stone)
Silicon dioxide (SiO2) - Microcrystalline quartz
Fossil Shark Teeth (likely Sand Tiger Shark)
Carcharias taurus (fossilized dentition)
Amber
Succinite (a Fossilized Tree Resin); Chemical formula is approximately C10H16O
Sandstone
Sedimentary Clastic Rock (Quartz-rich)
Petrified Wood
Silicified Wood (SiO2)