Amber
Succinite (Resinite)
Organic Crystal (Mineraloid)
Category
Sedimentary (Fossilized)
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Amber
Succinite (with approximate formula C10H16O)
mineraloid
Dragon Vein Agate
Chalcedony (cryptocrystalline silica, SiO2) variety Agate
mineral
Tree Agate (or Moss Agate), faceted into a crystal tower
Dendritic Agate (Silicon Dioxide, SiO2)
Mineral
Coquina and Oyster Fossil Rock
Coquina limestone (Calcium Carbonate, CaCO3) containing fossilized Crassostrea / bivalve shells
fossil
Polished ammonite fossil
Ammonoidea; likely a polished, chambered ammonite such as Acanthoceras or related Cretaceous form
fossil
Amber
Succinite (specifically for Baltic amber); Chemical formula approximately C10H16O
mineral
Amber
Succinite (Carbon-based organic compound; approximate formula C10H16O)
Mineraloid
Amber
Succinite
Organic Mineral
Amber
Succinite (C10H16O)
mineraloid
Fossil bivalve shell
Fossilized or partially mineralized bivalve; exact genus cannot be determined from the image
fossil
Amber
Fossilized tree resin (Amorphous organic polymer)
gemstone
Polished ammonite fossil
Ammonoidea (likely a Jurassic or Cretaceous ammonite), preserved in limestone/mudstone
fossil
Fossil shark teeth
Probably fossilized shark teeth, possibly *Otodus* or *Carcharhinus* species
fossil
Fossilized tooth or tooth fragment
Indeterminate vertebrate tooth; likely mammalian, mineralized hydroxyapatite
fossil
Amber
Succinite
Organic (Mineraloid)
Fossilized Coral (Petoskey Stone or Tabulate Coral)
Scleractinia or Tabulata (CaCO3 - Calcium Carbonate)
fossil
Fossilized turtle shell fragment
Testudines indeterminate; shell bone permineralized with silica/carbonate minerals
fossil
Fossilized Solitary Rugose Coral (Horn Coral)
Rugosa (Order Rugosa)
fossil
Amber
Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)
Mineraloid
Honeycomb Coral Fossil
Favosites (extinct genus of tabulate coral)
fossil
Amber
Succinite (Approximate formula: C10H16O)
mineral
Amber
Succinite (Resin)
mineral
Amber
Succiniferous fossil resin (C10H16O)
mineral
Amber
Succinite (C10H16O)
mineral
Amber
Succinite (Formula: C10H16O)
Organic Mineraloid
Amber
Succinite (Resinite)
mineraloid
Amber
Succinurite (C10H16O)
mineraloid
Dendritic Agate (or Dendritic Opal)
SiO2 (for Agate), SiO2·nH2O (for Opal)
Mineral
Amber Dragonfly Brooch
Succinited (Baltic Amber)
fossil
Amber
Succinite
Organic Mineraloid
Tree Agate
Chalcedony (SiO2)
gemstone
Greenschist (or Serpentinite with Manganese Dendrites)
Greenschist facies metamorphic rock
metamorphic
Petrified Wood
Silicified Wood (SiO2)
mineral
Fossiliferous Limestone Pebble
Calcite-rich Fossiliferous Marine Limestone
fossil
Probable amber fragment
Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)
gemstone
Fossil Coral / Fossilized Coral
Scleractinia (Anthodiscus / Favia / Montastraea fossil)
fossil
Fossilized Shell Fragment / Mother of Pearl
Calcium Carbonate (CaCO3) - Aragonite/Calcite biomineral
fossil
Fossilized coral or carbonate fossil fragment
Calcareous fossil, likely colonial coral (order Hexacorallia; uncertain from image)
fossil
Fossilized bivalve shell in limestone
Calcitic fossil shell; likely an oyster or other rudist/bivalve (Bivalvia), preserved in carbonate rock
fossil
Fossilized coral (likely honeycomb or branching coral)
Fossil coral; probable Scleractinia or Tabulata, composition mainly microcrystalline CaCO₃
fossil
Fossilized ammonite (likely weathered ammonite cross-section)
Ammonoidea; commonly Jurassic–Cretaceous ammonite fossils replaced by calcite or aragonite
fossil