Botiroidal Chalcedony or Silicified Fossil Coral
Silicon Dioxide (SiO2) - Chalcedony / Scleractinia (if fossilized)
sedimentary
Category
Sedimentary (Fossilized Organic Remain)
Browse sedimentary (fossilized organic remain) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Fossilized Organic Remain) in the encyclopedia
View all →
Fossilized Shark Tooth
Scapanorhynchus (Sand Tiger Shark relative)
sedimentary
Bivalve Fossil (Fossilized Shell)
Class Bivalvia (fossilized in Calcium Carbonate/Aragonite)
fossil
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Amber
Succinite (specifically for Baltic Amber), Formula: C10H16O
Organic Gemstone (often associated with Sedimentary sequences)
Chert (with Limestone/Dolomite host)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (variations include Flint or Jasper)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Amber
Amber (Fossilized Tree Resin)
mineral
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Fossilized Shark Tooth
Chondrichthyes tooth
fossil
Amber
Succinite (C10H16O)
mineraloid
Amber
Succinate (Fossilized Tree Resin)
fossil
Amber
Fossilized Tree Resin
gemstone
Amber (possibly a small polished amber cabochon)
Fossilized tree resin; amber is an organic gemstone, not a mineral
gemstone
Fossilized Dinosaur Bone
Perineralized Bone (Fluorapatite/Quartz replacement)
fossil
Baltic Amber
Succinite (Polmerized conifer resin)
mineraloid
Fossil bone or tooth fragment
Indeterminate fossilized vertebrate bone/tooth; taxonomic identification is not possible from this blurred image
fossil
Dinosaur Claw Fossil
Fossilized Theropod Claw (Vertebrate Palaeontological Specimen)
fossil
Fossilized Rugose Coral in Limestone
Order Rugosa in Sedimentary Matrix (CaCO3)
fossil
Chert / Flint (with Crinoid Stem Molds)
Microcrystalline Quartz (SiO2)
sedimentary
Petrified Wood
Silicon Dioxide Fossilized Wood (SiO2)
fossil
Fossilized Shark Tooth (likely Sand Tiger Shark)
Carcharias taurus (fossilized hydroxyapatite/calcium phosphate)
fossil
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Amber
Succinite (fossilized tree resin)
mineral
Amber
Succinates (Fossilized Tree Resin)
mineraloid
Fossilized Shark Tooth
Fossilized elasmobranch tooth (Apatite/Calcium Phosphate)
sedimentary
Fossil Shark Tooth
Carcharodon or Carcharias fossil (Vertebrate Fossil)
sedimentary
Palm Wood Fossil
Palmoxylon
fossil
Amber
Succinates (Fossilized Tree Resin)
mineral
Fossilized Shark Tooth
Chondrichthyes (Class)
fossil
Amber
Fossilized Tree Resin (Organic Polymer)
gemstone
Amber
Succinite (C10H16O)
gemstone
Amber / Copal
Succinite (fossilized resin)
mineraloid
Amber / Fossilized Resin
Succinite / Fossilized Tree Resin
mineral
Amber
Succinite (Fossilized Tree Resin)
fossil
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Rough Amber (likely Copal or immature Amber)
Organic gemstone / Succinite (if Baltic)
mineral
Amber
Succinite
Organic (Mineraloid)
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Amber
Succinite (fossilized tree resin)
Organic Mineraloid
Amber
Organic gemstone (Succinite)
mineral
Amber
Succinate (Fossilized Tree Resin)
gemstone