Petrified Wood
Silicified Wood (SiO2)
fossil
Category
Sedimentary (Fossilized Organic Remains)
Browse sedimentary (fossilized organic remains) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Fossilized Organic Remains) in the encyclopedia
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Mookaite Jasper
Silicified Radiolarite (SiO2)
sedimentary
Seashell (Cone Snail Shell)
Conus sp. (Calcium Carbonate, CaCO3)
fossil
Trilobite Pygidium (Tail Segment)
Phylum Arthropoda, Class Trilobita (likely order Phacopida)
sedimentary (fossil)
Chert (variably Oolitic or Fossiliferous)
Sedimentary Cryptocrystalline Quartz (SiO2)
sedimentary
Fossilized Wood / Petrified Wood
Petrified Wood (Silicified Flora)
fossil
Megalodon Shark Tooth
Otodus megalodon
fossil
Jasper containing fossilized inclusions
Silicon Dioxide (SiO2) with trace impurities and biogenic inclusions
sedimentary
Crinoid Columnal Fossil
Crinoid ossicle (Class Crinoidea)
sedimentary
Crinoidal Limestone
Bioclastic Limestone
Sedimentary
Chert (containing a small fossil)
Microcrystalline Quartz (SiO2)
sedimentary
Mookaite Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Amber / Copal
Succinite (fossilized tree resin)
mineraloid
Amber (specifically Red or Cherry Amber)
Succinite (Resinite); Chemical formula: C10H16O
Mineraloid
Fossilized Bone
Vertebrate Fossil Fragment (Calcium Phosphate / Hydroxyapatite)
fossil
Amber (Copal)
Fossilized Tree Resin (C10H16O)
mineral
Fossiliferous Chert or Limestone
Sedimentary rock containing fossilized marine invertebrates (likely crinoid stems or bryozoans)
sedimentary
Jasper (Petrified Wood variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Coral Fossil
Scleractinia (Class Anthozoa)
fossil
Fossilized Tiger Shark Tooth
Galeocerdo cuvier (fossilized hydroxylapatite)
sedimentary
Bivalve Fossil (Internal Mold/Steinkern)
Class Bivalvia (Fossilized Mold)
sedimentary
Amber
Succinite (Fossilized Tree Resin)
fossil
Amber
Succinrite (Organic Gemstone)
mineraloid
Coal (Bituminous Coal)
Caustobiolith / Sedimentary Rock
sedimentary
Raw Amber / Resin Mineral
Succinite (Fossilized Tree Resin)
gemstone
Amber
Succinite (Fossilized Tree Resin), C10H16O
Organic Mineraloid
Fossilized Shell Fragment
Bivalvia or Gastropoda (Class) fragment
fossil
Fossiliferous Limestone (Coral Fossil)
Calcium Carbonate (CaCO3) with Colonial Coral inclusions
sedimentary
Amber
Fossilized Tree Resin (Succinate)
mineral
Fossilized Coral
Rugosa / Scleractinia (Agatized or Calcitized Coral)
fossil
Fossil Shark Tooth
Chondrichthyes tooth fossil
fossil
Sandstone with Vitrinite/Coal inclusions
Arenite with Carbonaceous inclusions
sedimentary
Fossilized Shark Tooth
Carcharocles or Otodus sp. (Micro-fossilized)
sedimentary
Fossil Shark Tooth
Selachimorpha (Chondrichthyes dental fossil)
sedimentary
Fossilized Shark Tooth
Chondrichthyes (Class) fossilized tooth
fossil
Petrified Palmwood
Palmoxylon (fossilized monocot xylem)
sedimentary
Fossilized Rugose Coral (Horn Coral)
Order Rugosa
sedimentary
Mookaite Jasper
Silicon Dioxide (SiO2) - variety of Chert/Jasper
sedimentary
Petrified Wood / Fossilized Bone
Silicified / Mineralized Fossil (Silica SiO2)
fossil
Liesegang Banded Sandstone (Wonderstone)
Ferruginous Sandstone with Liesegang Rings
sedimentary
Shark Tooth Fossil
Chondrichthyes (class) fossilized tooth
fossil
Fossilized Coral (Petoskey Stone or similar Favosites)
Hexagonaria percarinata / Favosites (Silurian-Devonian Coral)
sedimentary