Fossilized Bone
Vertebrate Fossil Fragment (Calcium Phosphate / Hydroxyapatite)
fossil
Category
Sedimentary (Fossilized Organic Remain)
Browse sedimentary (fossilized organic remain) specimens identified by the Rock Identifier community.
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Amber jewelry (possibly amber-colored glass or resin)
Amber — fossilized plant resin, chiefly composed of polymerized terpenoids; the pictured material cannot be confirmed from the image
gemstone
Fossilized Shark Tooth
Carcharocles or Otodus sp. (Micro-fossilized)
sedimentary
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Fossiliferous Limestone
Calcium carbonate matrix with macrofossils (CaCO3)
sedimentary
Chalcedony in Matrix (likely Agatized Coral or Chert)
Silicon Dioxide (SiO2)
sedimentary
Amber
Succinite (fossilized resin); C10H16O
mineraloid
Fossilized Wood / Petrified Wood
Petrified Wood (Silicified Flora)
fossil
Amber
Succinite (fossilized resin, C10H16O)
mineral
Mosasaur Tooth Fossil
Mosasaurus sp.
fossil
Fossiliferous Limestone
Limestone with embedded fossil cross-section
sedimentary
Dendritic Limestone
Calcite with Manganese Oxide (Manganese Dendrites)
sedimentary
Fossilized Shell in Limestone
Carbonate sedimentary rock with Bivalvia or Brachiopoda remains
fossil
Fossilized Tiger Shark Tooth
Galeocerdo cuvier (fossilized hydroxylapatite)
sedimentary
Bivalve Fossil (Internal Mold/Steinkern)
Class Bivalvia (Fossilized Mold)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
sedimentary
Fossilized Coral
Rugosa / Scleractinia (Agatized or Calcitized Coral)
fossil
Fossilized Shark Tooth
Chondrichthyes (Class) fossilized tooth
fossil
Petrified Wood (Agatized/Silicified Wood)
Silicified Wood / Chalcedony (SiO2)
sedimentary
Amber (specifically Red or Cherry Amber)
Succinite (Resinite); Chemical formula: C10H16O
Mineraloid
Raw Amber / Resin Mineral
Succinite (Fossilized Tree Resin)
gemstone
Petrified Bone (Fossil Bone)
Per mineralization fossil bone (varies by organism, predominantly replacement by SiO2 - Quartz/Chalcedony)
fossil
Fossilized Bone (Petrified Bone)
Permineralized Vertebrate Remains
sedimentary
Seashell (Cone Snail Shell)
Conus sp. (Calcium Carbonate, CaCO3)
fossil
Shark Tooth Fossil
Chondrichthyes (class) fossilized tooth
fossil
Polished petrified wood
Silicified wood; commonly quartz/chalcedony (SiO₂) replacing cellular tissue
fossil
Megalodon Shark Tooth
Otodus megalodon
fossil
Amber
Succinrite (Organic Gemstone)
mineraloid
Amber
Succinite (Fossilized Tree Resin, C10H16O)
gemstone
Amber
Resinite / Fossilized Tree Resin
mineral
Amber
Succinite (Fossilized Tree Resin)
mineraloid
Amber
Succinates (Fossilized Resin)
mineral
Chert (Fossiliferous)
Silicon dioxide (SiO2)
sedimentary
Ironstone Concretion (Limonite/Goethite)
Iron oxide concretion (contains FeO(OH)·nH2O)
sedimentary
Amber
Fossilized Tree Resin
gemstone
Petrified Palmwood
Palmoxylon (fossilized monocot xylem)
sedimentary
Fossilized Bark
Lepidodendron / Sigillaria fossil impression
fossil
Amber
Succinite (organic fossilized resin)
mineraloid
Amber
Succinates (Organic Fossilized Resin)
mineral
Amber
Succinates (Organic Fossilized Resin)
mineraloid
Chert (or Fossiliferous Limestone)
Microcrystalline Quartz (SiO2) / Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite (SiO2 predominantly)
sedimentary