Orgonite Pyramid (containing Amethyst and mixed minerals)
Silicon Dioxide (SiO2) in synthetic resin
gemstone
Category
Organic Gemstone (Fossilized Resin)
Browse organic gemstone (fossilized resin) specimens identified by the Rock Identifier community.
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Fossilized Bone
Vertebrate fossil (mineralized bone)
fossil
Fossiliferous Shale
Carbonaceous Shale (with potential plant/aquatic fossils)
sedimentary
Dyed Coral
Calcium carbonate (CaCO3) - Calcite or Aragonite with dye
organic gemstone
Lignite (Brown Coal)
Humic Lignite (Carbonaceous sedimentary rock)
sedimentary
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
sedimentary
Shell Cameo (Sardonyx Shell)
Cassis madagascariensis (Sardonyx shell)
mineral (biogenic silica/calcium carbonate substrate)
Fossilized Bone
Petrified Bone / Biogenic Sedimentary
fossil
Manganese Dendrite on Siltstone
Manganese Oxide (pyrolusite or psilomelane) Dendrites
mineral/sedimentary
Flint with Fossil Inclusion
Cryptocrystalline quartz (SiO2) enclosing fossilized organic remains
sedimentary
Fossilized Coral (Petrified Coral)
Lithostrotionella (example genus) / Scleractinia
fossil
Seashell Fossil
Gastropoda fossil
fossil
Fossilized Bone
Permineralized Vertebrate Bone
fossil
Coprolite
Fossilized Feces
sedimentary
Shark Tooth Fossil
Carcharhiniformes or Lamniformes (order level fossil)
fossil
Fossilized Bivalve Shell (Fossilized Clam)
Bivalvia (class) / CaCO3 (Calcium Carbonate)
fossil
Megalodon Shark Tooth (Partial Fossil)
Otodus megalodon (fossilized in Calcium Phosphate/Apatite)
Mineral/Fossil
Fossil Coral
Phylum Cnidaria / Rugosa or Tabulata
fossil
Fossiliferous Limestone
Limestone (Calcium Carbonate - CaCO3)
sedimentary
Fossil Coral
Cnidaria Anthozoa (Fossilized)
sedimentary
Shark Tooth Fossil
Vertebrate fossilized tooth
fossil
Fossilized Chiton (Polyplacophora)
Polyplacophora (fossilized valves)
mineralized fossil
Dinosaur Fossil Tooth
Vertebrate Fossilized Tooth
fossil
Fossilized Bivalve Shell
Class Bivalvia (fossilized)
fossil
Fossilized Bone Fragment
Vertebrate Fossil
fossil
Oak-grain Laminate (Industrial/Decorative Furniture Finish)
Melamine Resin-impregnated Decorative Paper on Particleboard (Cellulose/Thermosetting Plastic)
not a rock (synthetic material)
Fossiliferous Limestone / Petrifaction
Sedimentary rock with fossil inclusions / Calcium Carbonate (CaCO3)
fossil
Fossilized Coprolite
Coprolite (fossilized feces)
sedimentary
Fossil Shark Tooth
Selachii (fossilized dentition)
fossil
Fossil Coral
Scleractinia or Anthozoa (Fossilized)
fossil
Petrified Bone Pebble
Silicified Fossilized Bone
fossil
Coprolite
Coprolite (fossilized feces)
sedimentary
Calligraphy Stone
Mariam Jasper (Fossiliferous Limestone with Hematite and Iron)
sedimentary
Fossilized Brain Coral
Diploria labyrinthiformis (Fossilized)
sedimentary
Shark Tooth Fossil
Elasmobranchii dentition (fossilized)
fossil
Tiger Shark Fossil Tooth
Galeocerdo cuvier (fossilized)
sedimentary
Polished fossil-bearing amber cabochon (likely insect inclusion)
Fossilized plant resin; commonly Dominican or Baltic amber, chemically a complex diterpenoid resin
fossil
Sand Tiger Shark Tooth
Carcharias taurus (fossilized)
fossil
Fossiliferous Sandstone
Sedimentary rock containing invertebrate fossils
fossil
Fossiliferous Limestone
Calcium carbonate matrix with macrofossils (CaCO3)
fossil
Fossilized Bone
Permineralized Vertebrate Bone
fossil
Fossilized Shell
Invertebrate fossil (Bivalvia or Brachiopoda)
fossil