Fossil Shell (Bivalve)
Class Bivalvia (fossilized)
fossil
Category
Sedimentary (Fossilized Organic Matter)
Browse sedimentary (fossilized organic matter) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Fossilized Organic Matter) in the encyclopedia
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Fossilized Shark Tooth
Elasmobranchii dentition (calcium phosphate / hydroxyapatite)
fossil
Amber
Succinite (Resin)
mineral
Petrified Wood
Silicified Wood (SiO2)
mineral
Stromatolite fossil in Chert/Jasper
Cyanobacteria / Microcystis (fossilized)
fossil
Calamites Fossil in Sandstone
Calamites (Genus) in Lithic Sandstone
sedimentary
Kambaba Jasper
Stromatolite (Fossilized Algae)
sedimentary
Kambaba Jasper
Stromatolite (Fossilized Algae)
sedimentary
Kambaba Jasper
Stromatolite (Fossilized Algae)
sedimentary
Kambaba Jasper
Stromatolite (Fossilized Algae)
sedimentary
Fossilized Coral (Petoskey-like or Favosites)
Anthozoa (Fossilized Coral)
sedimentary
Kambaba Jasper
Stromatolite Jasper (Microcrystalline Quartz)
sedimentary
Sandstone Pebble
Arenite (SiO2 with minor mineral cements)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide staining (Fe2O3)
sedimentary
Sandstone
Clastic Sedimentary Rock (composed of SiO2 grains)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Anthracite Coal
Anthracite (Carbon-rich metamorphic coal)
metamorphic
Fossil Shell
Phylum Mollusca (Bivalvia or Brachiopoda)
fossil
Amber
Succinite
Organic Mineraloid
Moss Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides
Mineral (Variety of Chalcedony)
Petrified Wood
Silicified wood (Quartz/Chalcedony replacement of organic matter)
fossil
Dendritic Siltstone
Siltstone with Manganese Oxide dendrites (MnO2)
sedimentary
Fossilized Shark Tooth (Otodus)
Otodus obliquus
fossil
Shale
Shale
sedimentary
Cockle Shell Fossil
Cardium (Bivalvia)
fossil
Amber
Succinite
mineral
Sandstone with Iron Concretion
Arenite with Limonite/Goethite Concretion
sedimentary
Fossiliferous Flint or Chert with Bryozoan Fossils
Sedimentary cryptocrystalline quartz (SiO2) with fossil inclusions
sedimentary
Fossilized Shark Tooth (Carcharocles/Otodus or Sand Tiger Shark Tooth)
Elasmobranchii (Fossilized Tooth)
fossil
Fossilized Coral (Petrified Coral)
Lithostrotionella (example genus) / Scleractinia
fossil
Sandstone (Limonitic/Arkose)
Sandstone (primarily SiO2 with FeO(OH)·nH2O)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Fossiliferous Limestone Pebble
Calcite-rich Fossiliferous Marine Limestone
fossil
Coal (Anthracite or Bituminous)
Lithified plant matter (Carbon)
sedimentary
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Amber
Succinite (Carbon-based organic compound; approximate formula C10H16O)
Mineraloid
Fossilized Shark Tooth (Megalodon or Carcharocles species fragment)
Otodus megalodon / Carcharocles spp. (Apatite / Calcium Phosphate)
fossil
Kambaba Jasper
Stromatolite Jasper (Microcrystalline Quartz with Fossilized Cyanobacteria)
sedimentary
Sandstone with Iron Staining
Arenite (SiO2 with Fe-oxide impurities)
sedimentary
Amber
Succinurite (C10H16O)
mineraloid
Moss Agate
Silicon Dioxide (SiO2) with inclusions of hornblende, chlorite, or manganese/iron oxides
mineral
Petrified Wood
Silicified Wood (SiO2)
Mineral / Fossil