Amber
Succinite / Fossilized Resin (C10H16O)
fossil
Category
Sedimentary (Fossilized Organic Remain)
Browse sedimentary (fossilized organic remain) specimens identified by the Rock Identifier community.
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Fossil Shark Tooth
Carcharocles (Otodus) sp. or similar fossilized Chondrichthyes tooth
sedimentary
Chert Pebble (with fossil shell fragment)
Microcrystalline Quartz (SiO2) with Calcified Invertebrate Impression
sedimentary
Amber
Succinite (fossilized tree resin)
Organic Mineraloid
Possible fossilized shell or coral fragment
Indeterminate biogenic carbonate, likely calcite (CaCO₃)
fossil
Fossilized Brachiopod Shell / Mold
Phylum Brachiopoda (Fossilized organic matrix replaced by Silica/Calcite)
fossil
Lepidodendron Fossil (Scale Tree)
Lepidodendron
fossil
Amber
Amber (Fossilized Tree Resin)
Mineral
Fossiliferous Limestone
Biogenic Sedimentary Rock (Calcium Carbonate, CaCO3)
sedimentary
Amber
Succinite (C10H16O)
gemstone
Amber
Succinite (Fossilized Resin)
fossil
Amber
Succinite (Fossilized Tree Resin)
gemstone
Amber
Succinite (fossilized resin, C10H16O)
mineral
Amber
Succinite (fossilized resin); C10H16O
mineraloid
Fossilized bone, likely a large vertebrate limb or rib fragment
Petrified bone; exact taxon indeterminate from the image
fossil
Amber
Succinite (fossilized tree resin)
fossil
Amber
Fossilized Tree Resin (C10H16O)
gemstone
Pink shell fragment
Calcium carbonate, likely aragonite or calcite (CaCO₃); probably a bivalve or gastropod shell fragment
fossil
Fossil Shark Tooth
Chondrichthyes (class); likely Lamniformes (order) fossilized in Apatite/Hydroxyapatite
fossil
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with marine fossils
fossil
Amber
Succinite (Organic Mineraloid) - C10H16O
mineral
Fossilized Shark Tooth (Fragment)
Elasmobranchii (fossilized tooth)
fossil
Seashell Fossil
Invertebrate fossil (phylum Mollusca)
fossil
Amber
Fossilized tree resin (Amorphous organic polymer)
gemstone
Fossilized Sand Tiger Shark Tooth
Carcharias taurus / Striatolamia macrota (mineralized as Hydroxylapatite/Francolite)
sedimentary (fossil)
Fossilized wood or plant fragment
Petrified wood (silicified fossil wood; commonly Araucarioxylon or related taxa)
fossil
Fossilized Shark Tooth (Eroded)
Carcharodon sp. or Otodus sp. fragment (likely)
fossil
Amber
Succinite (Fossilized Tree Resin)
gemstone
Amber
Succinate (Succinite for Baltic varieties)
mineraloid
Fossilized Shark Tooth (Otodus)
Otodus sp. (calcium phosphate/hydroxylellite)
sedimentary
Amber and Tumbled Stones
Fossilized Tree Resin (Succinite)
fossil
Amber (with potentially inclusions)
Succinite (Fossilized Tree Resin)
Mineraloid
Fossilized wood (petrified wood)
Silicified fossil wood; commonly quartz/chalcedony (SiO₂) replacing wood
fossil
![Fossilized bone fragment (probable mammalian tooth or bone) (Mineralized bone, commonly hydroxyapatite [Ca5(PO4)3(OH)] replaced or impregnated by silica/calcite) — fossil](https://media.rock.id/fossilized-bone-fragment-probable-6435bbec-570b-407e-9c9f-870b904b8d23-thumbnail.jpg)
Fossilized bone fragment (probable mammalian tooth or bone)
Mineralized bone, commonly hydroxyapatite [Ca5(PO4)3(OH)] replaced or impregnated by silica/calcite
fossil
Travertine
Calcareous Tufa (CaCO3)
sedimentary
Glauconitic Sandstone (Greensand pebble)
Glauconitic Quartz Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)
sedimentary
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
sedimentary
Amber
Succinite (specific to Baltic amber), fossilized tree resin
Organic Mineraloid
Knightia Fossil in Limestone
Knightia eocaena in micritic limestone
sedimentary
Fossilized Shell Fragment / Mother of Pearl
Calcium Carbonate (CaCO3) - Aragonite/Calcite biomineral
fossil
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Possible fossilized bone or tooth fragment
Indeterminate fossilized vertebrate material; mineralized hydroxyapatite replaced or coated by silica/carbonate
fossil