Sedimentary (Fossiliferous)

Chert Nodule (Fossiliferous Chert)

Microcrystalline Quartz (SiO2)

Fossiliferous Limestone (Pink/Red)

Calcium Carbonate (CaCO3) with Bioclasts

Fossiliferous Chert (with Fossil Shells)

Silicon Dioxide (SiO2) with biogenic inclusions

Fossiliferous Limestone (Coral Rag)

Biogenic Limestone (Calcium Carbonate, CaCO3)

Fossiliferous Limestone (Coquina-like)

Biogenic Limestone

Fossiliferous Limestone (Shell Fragment)

Biogenic Limestone (Calcium Carbonate / CaCO3)

Fossiliferous Chert (Gryphaea Fossil)

Silicon Dioxide (SiO2) with Calcitic Mollusk Remnants

Calcite-rich limestone, possibly fossiliferous

Limestone composed mainly of calcite (CaCO₃), potentially containing a fragmentary fossil or calcite-filled structure

Sulfur-bearing Limestone (Solfatara Specimen)

Sulfur-rich Bio-limestone (Calcium Carbonate with Native Sulfur, S8)

Dinosaur Fossil (Skull)

Dinosauria fossilis (Petrified Hydroxyapatite / Calcium Carbonate)

Crinoid Stem Fragment

Crinoid (Phylum Echinodermata, Class Crinoidea)

Crinoid Columnal Fossil

Crinoid ossicle (Class Crinoidea)

Crinoid Stem Fossil

Class Crinoidea (Phylum Echinodermata), primarily Calcium Carbonate (CaCO3)

Crinoid Fossil Stem Segment

Class Crinoidea (Echinodermata)

Crinoid Columnal Fossil

Class Crinoidea (Echinodermata); usually calcite replacement (CaCO3)

Ammonite Fossil (Polished Section)

Ammonoidea (typically mineralized with Calcite CaCO3)

Fossil-bearing sedimentary rock, possibly fossil wood or bone

Indeterminate silicified/carbonate fossil in sandstone or mudstone

Fossilized Bone

Vertebrate Fossil Fragment (Calcium Phosphate / Hydroxyapatite)

Fossil Shark Tooth Fragment

Elasmobranchii dentition (fragment)

Shale

Shale (fine-grained clastic sedimentary rock)

Fossilized Echinoid Fragment (Calycinal/Boss Fossil)

Echinodermata fossil fragment

Crinoid Fossil Fragment

Crinoidea (echinoderm fossil embedded in limestone/matrix)

Calligraphy Stone

Mariam Jasper (Fossiliferous Limestone composed of Hematite and Shell remains)

Belemnite Fossil (Guard)

Belemnoidea (Carbonate/Calcite replacement)

Ammonite Fossil

Ammonoidea (primarily composed of Calcite, CaCO3, or Pyrite)

Crinoid Stem Fossil

Class Crinoidea (Phylum Echinodermata), often preserved in Limestone or Calcite (CaCO3)

Crinoid Stem Fossil (in matrix)

Crinoid (Class Crinoidea)

Crinoid Stem Fossil

Crinoid columnal (Class Crinoidea)

Fossil Plant Impression (Calamites)

Calamites sp. (Tracheophyta: Equisetopsida)

Crinoid Stem Fossil in Matrix

Crinoid (Class Crinoidea) in Limestone/Siltstone matrix

Crinoidal Limestone

Bioclastic Limestone

Calamites (Fossil Plant)

Calamites (Genus), belonging to the class Equisetopsida

Fossiliferous Limestone (Coquina / Shell Limestone)

CaCO3 (Calcium Carbonate)

Fossiliferous Limestone (Coquina / Shell Limestone)

Biogenic Limestone (CaCO3)

Fossiliferous Limestone (Chert/Clay mixed)

Calcium Carbonate (CaCO3) / Silicon Dioxide (SiO2)

Fossiliferous Limestone (Coquina / Shell Limestone)

Biogenic Limestone (Calcium Carbonate, CaCO3)

Fossiliferous Limestone (Coquina / Shell Conglomerate)

Bioclastic Limestone (composed primarily of CaCO3)

Fossiliferous Limestone (Coquina / Shell Limestone)

Biogenic Limestone (Calcium Carbonate, CaCO3)

Fossiliferous Limestone (Coquina / Shell Limestone)

Bioclastic Limestone (CaCO3)

Fossiliferous Chert (Chert with Crinoid Stem Impression)

Chert (SiO2) with fossil Anthozoan or Crinoid columnals

Fossiliferous Limestone (Coquina / Shell Limestone)

Bioclastic Limestone (CaCO3)

Fossiliferous Limestone (Coquina / Shell Limestone)

Biogenic Limestone (Calcium Carbonate, CaCO3)