Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (fossilized organic remains) specimens identified by the Rock Identifier community.
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony)
Silicon dioxide (SiO2) - Microcrystalline quartz
Amber Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Chalcedony/Flint)
Silicon Dioxide (SiO2)
Chert (Nodule)
Cryptocrystalline Quartz (SiO2)
Chert (Arrowhead variety)
Chert (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Flint/Jasper)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Fossilized Shark Teeth
Otodus sp. (Eocene Sand Tiger/Mackerel Shark)
Petrified Wood
Silicified Wood (SiO2)
Fossil Snail
Gastropoda (fossilized)
Stromatolite (Jasper-replaced)
Fossilized Stromatolite (Cyanobacteria / Cryptozon / Silica SiO2)
Chert Nodule
Microcrystalline Quartz (SiO2)
Amber
Succinite (Fossilized Tree Resin)
Fossiliferous Rock (Invertebrate Fossil in Matrix)
Fossiliferous limestone or shaly matrix containing skeletal fossil remains
Chert (Yellow variety)
Microcrystalline quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Fossilized Horn Coral
Rugosa (Rugose Coral)
Chert (Iron-stained)
Silicon Dioxide (SiO2)
Banded Chert
Silicon Dioxide (SiO2)
Black Chert
Carbonaceous Chert (Silicon dioxide, SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Amber
Succinite (Organic Mineraloid) - C10H16O
Amber
Fossilized tree resin (Amorphous organic polymer)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint Nodules)
Silicon Dioxide (SiO2)
Chert / River Pebble
Silicon Dioxide (SiO2)
Chert (Arrowhead Point)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variant)
Microcrystalline Quartz (SiO2)
Chert (Basanite / Jasperoid)
Microcrystalline Quartz (SiO2)
Amber
Amber (Fossilized Tree Resin)