Sedimentary (Fossilized Organic Remain)

Fossilized Echinoid (Sea Urchin)

Echinoidea (Fossil)

Amber

Succinite (fossilized tree resin)

Amber

Amber (C10H16O)

Fossil bivalve shell

Ribbed pectinid or related bivalve; originally calcite/aragonite (CaCO₃), likely partially mineralized

Amber

Succinite (organic gemstone, approx. C10H16O)

Amber

Succinite (with formula approximately C10H16O)

Shark Tooth Fossil

Carcharodon / Otodus fossilized tooth (Calcium Phosphate / Hydroxyapatite)

Amber

Succinicum (Organic Gemstone - Resinite)

Amber

Fossilized Tree Resin (C10H16O)

Amber

Succinate (Fossilized Tree Resin)

Amber with dark mineral/organic inclusions

Fossilized plant resin (amber; chiefly polymerized diterpenoid resin)

Petrified Wood / Fossilized Wood

Silicified Wood (Silicon Dioxide - SiO2)

Fossilized Megalodon Tooth Fragment

Otodus megalodon (Carcharocles megalodon fossil)

Amber-bearing rough specimen

Fossilized plant resin (amber; organic mineraloid), commonly succinite

Fossilized wood or bone fragment

Indeterminate permineralized organic fossil; possibly silicified wood or fossil bone

Amber (Cherry Amber)

Succinite (C10H16O)

Amber

Succinite (Fossilized Tree Resin)

Fossilized Echinoid / Sea Urchin Internal Mold

Echinoidea internal cast (steinkern)

Amber

Succinite (C10H16O)

Amber

Succinite (fossilized resin)

Chert (Chert Nodule with Cortex)

Microcrystalline Quartz (SiO2)

Fossil gastropod shell

Fossilized marine gastropod; exact genus/species cannot be determined from the image

Polished amber cabochon

Amber (fossilized plant resin; chiefly carbon, hydrogen, and oxygen, with variable organic compounds)

Fossiliferous Limestone

Sedimentary rock containing Indeterminate Fossil remains (likely Crinoid stem or Bryozoan fragment)

Fossil plant impression slab

Fossilized plant compression/impression; exact taxon indeterminate from the image

Mammoth Tooth

Mammuthus tooth

Amber

Succinite (Approximate formula: C10H16O)

Fossil Coral

Phylum Cnidaria / Rugosa or Tabulata

Amber

Succinite (organic hydrocarbon)

Coal (likely bituminous coal)

Bituminous coal; predominantly carbon with organic macerals and minor clay/pyrite

Baltic Amber (Black)

Succinite (Fossilized Tree Resin)

Amber

Fossilized Tree Resin (C10H16O)

Sandstone (likely Quartzose type)

Clastic sedimentary rock (primarily SiO2)

Fossilized Shark Tooth (Partial)

Elasmobranchii (fossil tooth fragment)

Possible fossilized bone fragment

Fossil bone, composition primarily carbonate-hydroxylapatite [Ca₅(PO₄)₃(OH)]

Fossilized leaf or plant impression in shale

Carbonized/impressed plant fossil, likely in fine-grained shale or mudstone; exact taxon indeterminate from the image

Seashell (Cockle Shell)

Cardiidae (Bivalvia), primary composition: Calcium Carbonate (CaCO3) in the form of aragonite or calcite

Amber

Succinicum (Succinite); C10H16O

Brecciated Jasper / Fossiliferous Jasper Egg

Cryptocrystalline Quartz (SiO2) with iron oxides and mineral inclusions

Amber

Succiniferous fossil resin (C10H16O)

Amber

Succinates (C10H16O)

Amber

Succinited (C10H16O)