Fulgurite
Lechatelierite (Fused Silica)
mineral
Category
Sedimentary (Fossilized)
Browse sedimentary (fossilized) specimens identified by the Rock Identifier community.
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Amber
Succinite (Organic Gemstone)
mineral
Amber
Succinite (Resinite), C10-H16-O
mineral
Fossilized Shark Tooth (Cretaceous to Neogene)
Elasmobranchii dental fossil (likely Squalicorax or similar species)
mineral (biogenic replacement)
Amber (Black)
Amber (succinite, retinite, etc., specifically, heavily included/dark varieties)
Mineraloid
Fossilized Horse Tooth
Equus sp. (fossilized molar)
fossil
Raw Amber / Resin Mineral
Succinite (Fossilized Tree Resin)
gemstone
Amber
Succinite (Fossilized Tree Resin)
gemstone
Amber
Amber (Fossilized Tree Resin)
mineral
Amber
Fossilized Tree Resin (C10H16O)
gemstone
Amber (Tumbled/Polished)
Succinite (Fossilized Tree Resin)
mineraloid
Amber
Fossilized Tree Resin (Successite)
fossil
Amber
Succinite (Fossilized Tree Resin)
fossil
Amber
Succinite (fossilized tree resin)
fossil
Amber
Succinite (Fossilized Tree Resin)
gemstone
Baltic Amber (Black)
Succinite (Fossilized Tree Resin)
fossil
Amber
Succinite (Fossilized Tree Resin)
gemstone
Amber
Succinite (fossilized tree resin)
mineraloid
Amber (Baltic)
Succinith (Fossilized Tree Resin)
mineraloid
Amber
Succinite (fossilized tree resin)
mineral
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Amber
Succinates (Organic Fossilized Resin)
mineral
Amber
Succinates (Fossilized Tree Resin)
mineraloid
Amber
Succinates (Fossilized Tree Resin)
mineral
Amber
Succinite (fossilized resin, C10H16O)
mineral
Amber
Succinates (Organic Fossilized Resin)
mineraloid
Amber
Succinite (fossilized resin, C10H16O)
mineral
Amber
Succinite (fossilized tree resin)
Organic Mineraloid
Shark Tooth Fossil
Otodus obliquus (or similar prehistoric lamniform shark tooth)
fossil
Fossilized Tabulate Coral (Honeycomb Coral)
Favosites (Order: Tabulata)
sedimentary
Fossilized Coral (Petoskey Stone / Favosites)
Favosites (extinct genus of tabulate coral)
sedimentary
Fossilized Dinosaur Skull (Tyrannosaurus rex)
Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica
sedimentary
Gastropod Steinkern (Fossilized Snail Cast)
Phylum Mollusca, Class Gastropoda (Commonly CaCO3 or SiO2 after replacement)
Sedimentary
Petoskey Stone
Hexagonaria percarinata
fossil
Petoskey Stone (Weathered/Rough Form)
Hexagonaria percarinata
fossil
Obsidian and Fossilized Shark Tooth
Obsidian (Volcanic Glass) and Otodus sp. (Fossilized shark tooth)
igneous and fossil
Megalodon Shark Tooth
Otodus megalodon
fossil
Petoskey Stone
Hexagonaria percarinata
fossil
Fossilized Coral (Petoskey Stone or Rugose Coral)
Antophyllum (Hexagonaria) or Scleractinia (CaCO3)
sedimentary
Fossilized Tabulate Coral (Honeycomb Coral)
Favosites (Order: Tabulata)
sedimentary
Tree agate (dendritic agate)
Microcrystalline quartz (SiO₂) with manganese- or iron-oxide dendrites
mineral