Fossiliferous Limestone with Crinoid stems
Limestone (CaCO3) containing Crinoidea fossils
sedimentary
Category
Sedimentary (Fossilized)
Browse sedimentary (fossilized) specimens identified by the Rock Identifier community.
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Fossilized Shark Tooth
Carcharocles sp. (likely Lemon or Sand Tiger)
sedimentary
Petrified Wood
Petrified Wood (Silicified Wood)
fossil
Sandstone
Arenite (SiO2 predominantly)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Ammonite Fossil
Ammonoidea subclass (calcium carbonate / silica replacement)
fossil
Fossiliferous Shale
Fossiliferous Mudstone / Shale
sedimentary
Fossiliferous Limestone
Biogenic Limestone (CaCO3 with fossil fragments)
sedimentary
Fossilized Rugose Coral (Horn Coral)
Order Rugosa (Calcium Carbonate - CaCO3)
sedimentary
Favosites Fossil (Honeycomb Coral)
Favosites (Extinct genus of Tabulate Coral)
sedimentary
Petoskey Stone
Hexagonaria percarinata
sedimentary
Fossilized Shark Tooth
Carcharocles sp. or similar (Fossilized Fluorapatite)
sedimentary
Crinoid Columnal
Crinoidea (Class) - Fossilized Columnal Segment
sedimentary
Amber
Succinite (fossilized tree resin, C10H16O)
fossil
Dendritic Siltstone
Siltstone with Manganese Dendrites (MnO2)
sedimentary
Fossil bone or tooth fragment
Indeterminate fossilized vertebrate bone/tooth; taxonomic identification is not possible from this blurred image
fossil
Horn Coral Fossil
Rugosa (extinct order of solitary corals)
sedimentary
Sandstone (Quartzose)
Sandstone (SiO2 dominated)
sedimentary
Fossilized Shell in Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Sandstone (Quartz Sandstone)
Arenite (primarily SiO2)
sedimentary
Fossil gastropod shells
Fossilized marine gastropods; likely internal or external casts of coiled mollusks (Gastropoda)
fossil
Fossilized Shark Tooth
Elasmobranchii (Class) fossil
fossil
Fossilized Gastropod Shell
Gastropoda (Class) replacement / internal cast (steinkern)
fossil
Amber
Succinite (Fossilized Tree Resin, C10H16O)
gemstone
Fossilized Shark Tooth
Eocene Lamniformes (Mackerel Shark clade)
fossil
Red Ochre (Hematite-rich Clay)
Limonitic/Hematitic Claystone (Fe2O3 with clay minerals)
Sedimentary
Amber (specifically Cherry Amber)
Succinite (with the chemical formula C10H16O)
Organic Gemstone (not a mineral)
Baltic Amber (Butterscotch or Egg Yolk Variety)
Succinite (chemical formula: C10H16O)
Organic Gemstone (not a rock or mineral)
Fossiliferous Limestone (Crinoidal)
Crinoid Limestone (CaCO3 with fossil biological remains)
sedimentary
Echinoid Fossil (Commonly called a Sea Urchin or Heart Urchin)
Phylum Echinodermata, Class Echinoidea
sedimentary
Quartz Vein in Pelite (Metamorphic Rock)
Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)
metamorphic
Chert (and Fossiliferous Chert)
Silicon Dioxide (SiO2)
sedimentary
Script Stone
Calcareous Sandstone / Limestone with fossilized inclusions
sedimentary
Rugose Coral (Horn Coral)
Order Rugosa (extinct fossilized coral)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized colonial coral)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Fossilized Coral (Petoskey Stone or similar)
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Fossilized Coral (Petoskey Stone type)
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary