Sedimentary (Fossilized)

Amber

Succinite (specific to Baltic amber), fossilized tree resin

Amber

Succinicum (Organic polymer, largely C10H16O)

Fossil Shark Tooth

Otodus sp. (possibly Otodus obliquus)

Crinoid Stem Fossil

Class Crinoidea (Echinodermata)

Amber

Succinite (with empirical formula approximately C10H16O)

Fulonite (Fulgurite-like)

Fulgurite (SiO2 fused silica/lechatelierite)

Fossil coral (likely solitary rugose coral)

Rugosa; possibly genus Heliophyllum or similar

Fossil shark teeth

Likely fossilized shark teeth; exact species indeterminate from the image, possibly Carcharhiniformes or related taxa

Fossil gastropod shell

Fossilized marine gastropod; exact genus/species requires locality and examination

Tumbled amber

Amber (fossilized plant resin; commonly succinite, C10H16O)

Amber

Succinite (specific to Baltic amber), fossilized tree resin

Amber

Succinite (C10H16O)

Amber

Succinite (C10H16O)

Amber

Succiniferous organic material (Succinite)

Crinoid Stem Fossil

Crinoid ossicle (Phylum Echinodermata)

Fossil Coral (Petoskey Stone / Favosites / Charlevoix Stone)

Hexagonaria percarinata / Favosites (Cnidaria)

Crinoid Stem Fossil (Indian Bead)

Crinoid ossicle (Echinodermata)

Bivalve Fossil (Internal Mold)

Class Bivalvia (Indeterminate genus)

Amber

Succinite (with a generalized formula of C10H16O)

Tumbled amber

Fossilized tree resin; commonly succinite (organic resin, not a mineral)

Tumbled amber

Amber (fossilized plant resin), chiefly polymerized diterpenoid resin

Fossil coral fragment

Likely calcitic colonial coral, possibly fossilized scleractinian coral

Fossiliferous limestone, possibly coral or stromatoporoid fossil

Calcitic limestone; predominantly CaCO₃, with fossilized colonial-organism structures

Sandstone

Sandstone (arenite is a more specific geological term for a clean sandstone, while wacke refers to a dirty sandstone with significant matrix)

Tumbled kambaba jasper (likely)

Kambaba jasper, a silica-rich microcrystalline quartz aggregate, commonly containing fossilized cyanobacterial structures and dark green amphibole/pyroxene minerals

Fossil Shark Tooth (Sand Tiger Shark type)

Carcharias sp. (likely Odontaspis)

Amber

Succinite (Approximate formula: C10H16O)

Crinoid Stem Fossils (Indian Beads / St. Cuthbert's Beads)

Crinoid columnal ossicles (phylum Echinodermata)

Amber with Inclusion

Succiniferous fossil resin (C10H16O)

Polished fossil shell, likely orthocone nautiloid

Orthoceras-type fossil; fossilized cephalopod shell, commonly marketed as Orthoceras

Horn Coral Fossil

Rugose coral (Order Rugosa)

Bivalve Shell (Fossil or Contemporary)

Class Bivalvie (various genera and species of clams, cockles, etc.)

Amber (likely rough amber)

Fossilized plant resin; predominantly polymerized terpenoid resin (succinite if Baltic-type)

Polished fossil-bearing amber cabochon (likely insect inclusion)

Fossilized plant resin; commonly Dominican or Baltic amber, chemically a complex diterpenoid resin

Coral limestone / fossil coral

Biogenic calcium carbonate, chiefly aragonite or calcite (CaCO₃); likely fossilized colonial coral

Fossil tooth, possibly shark tooth

Indeterminate fossilized vertebrate tooth; likely a shark tooth (possibly *Carcharhinus* or related genus)

Fossil Shark Tooth

Carcharodon carcharias (modern/recent) or similar Lamniform fossil

Fossil coral (likely colonial/tabulate coral)

Fossilized scleractinian or tabulate coral; calcium carbonate, chiefly CaCO₃ (calcite/aragonite replaced by calcite)

Polished amber

Amber (fossilized plant resin), commonly succinite; organic mineraloid rather than a true mineral

Orange cabochon gemstone, likely amber or amber-like resin

Natural amber: fossilized plant resin (organic mineraloid), commonly succinite; exact identification requires testing

Fossil scallop/bivalve shell

Fossilized pectinid bivalve; likely family Pectinidae (exact genus/species cannot be determined from the image)

Fossil shark teeth

Likely fossilized shark teeth, possibly Carcharhiniformes or related sharks; exact species cannot be determined from the photo.