Fossilized Coral
Anthozoa (Fossilized)
Sedimentary / Fossil
Category
Sedimentary (Fossilized Organic Remain)
Browse sedimentary (fossilized organic remain) specimens identified by the Rock Identifier community.
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Amber
Succinite (C10H16O)
mineral
Bivalve Fossil (Mussel or Clam Shell)
Bivalvia
fossil
Amber
Succinite (with empirical formula approximately C10H16O)
Organic Mineraloid
Fossilized Shark Tooth (Partial)
Elasmobranchii (fossil tooth fragment)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Amber
Succinite (C10H16O)
mineral
Amber
Succinite (C10H16O)
mineral
Chert Geode with Quartz Druzy
Microcrystalline Quartz (SiO2) with macrocrystalline Quartz
sedimentary
Amber
Succinite (Formula: C10H16O)
Organic Mineraloid
Amber
Fossilized Tree Resin
gemstone
Amber
Succinite (Fossilized Tree Resin) - C10H16O
mineral
Fossil Shark Tooth
Lamniform (Mackerel Shark) fossil tooth, likely Otodus or Cretalamna
fossil
Limestone with Fossil Fragments
Bioclastic Limestone (CaCO3)
sedimentary
Sandstone (Weathered / Crushed)
Quartz Sandstone
sedimentary
Fossilized Coral
Rugose coral / Tabulate coral (Calcium carbonate, CaCO3)
fossil
Quartz Geode
Silicon Dioxide (SiO2) in Geodic habit
mineral
Fossilized Wood (with Coal and Limonite)
Petrified Wood (Silicified or Carbonized Flora)
sedimentary
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in Geode form
sedimentary
Polished petrified wood
Silicified wood, primarily microcrystalline quartz (SiO₂) replacing organic tissue
fossil
Amber
Resinite (Succinite if from the Baltic); Chemical Formula: C10H16O (approximate)
Organic Diamond/Gemstone (often associated with Sedimentary sequences)
Dendritic Agate (Tree Agate)
Chalcedony (Silicon Dioxide, SiO2) with Manganese or Iron Oxide inclusions
mineral
Sea Bean (Hamburger Bean)
Mucuna sloanei
organic/biological specimen
Quartz Geode (Druzy)
Crystalline Silicon Dioxide (SiO2)
mineral
Amber
Succinates (fossilized tree resin), approximately C10H16O
organic gemstone
Carbonaceous Chondrite (CV3 type)
Carbonaceous Chondrite (CV3 group)
meteorite
Bauxite (Laterite)
Hydrated aluminum oxides (Al2O3·nH2O)
sedimentary
Red Amber (Burmite/Cherry Amber)
Succinite / Retinite (Organic Fossilized Resin, C10H16O)
Mineraloid (Organic)
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Seashell Fossil
Invertebrate Bivalve / Gastropod Fossil (Calcium Carbonate, CaCO3)
fossil
Amber (Rough)
Amber (Fossilized Tree Resin, succinite)
mineral
Dyed Coral
Calcium carbonate (CaCO3) - Calcite or Aragonite with dye
organic gemstone
Banded Chert
Silicon Dioxide (SiO2)
sedimentary
Amber
Succinite (approximate formula C10H16O)
mineral
Baltic Amber (Butterscotch or Egg Yolk Variety)
Succinite (C10H16O)
Organic Gemstone (Mineraloid)
Fossil Brachiopod
Phylum Brachiopoda
fossil
Fossilized Bryozoan
Phylum Bryozoa
fossil
Amber
Succinite (with approximate formula C10H16O)
mineraloid
Amber
Succinite (a Fossilized Tree Resin); Chemical formula is approximately C10H16O
Organic mineraloid
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
fossil
Fossil Coral
Scleractinia (Fossilized Coral) / Calcium Carbonate (CaCO3) or Silica (SiO2)
fossil
Amber
Succinite (approximate formula C10H16O)
mineraloid