Rock Identifier

Category

Organic Gemstone (Fossilized Resin)

Browse organic gemstone (fossilized resin) specimens identified by the Rock Identifier community.

Learn about Organic Gemstone (Fossilized Resin) in the encyclopedia

Amber

Petrified Wood

Sapropel

Jet

Bituminous Shale

Bituminous Shale

Red Garnet

Black Shale

Opalized Wood

Peat

Oil Shale

Kambaba Jasper

Diatomaceous Earth

Coquina (Coquina (Bioclastic Limestone)) — sedimentary

Coquina

Coquina (Bioclastic Limestone)

Horn Coral Fossil (Rugosa (extinct order of solitary corals)) — sedimentary

Horn Coral Fossil

Rugosa (extinct order of solitary corals)

Script Jasper (Cryptocrystalline Quartz (SiO2) with fossiliferous inclusions) — sedimentary

Script Jasper

Cryptocrystalline Quartz (SiO2) with fossiliferous inclusions

Crinoid Columnal (Crinoidea (Class) - Fossilized Columnal Segment) — sedimentary

Crinoid Columnal

Crinoidea (Class) - Fossilized Columnal Segment

Blue Apatite (Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))) — mineral

Blue Apatite

Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))

Seven Chakra Bonded Stone (Bonded composite of Red Jasper, Carnelian, Tiger's Eye, Aventurine, Lapis Lazuli, Amethyst, and Clear Quartz) — metamorphic

Seven Chakra Bonded Stone

Bonded composite of Red Jasper, Carnelian, Tiger's Eye, Aventurine, Lapis Lazuli, Amethyst, and Clear Quartz

Engineerged Quartz (Quartz Composite) (SiO2 (Silicon Dioxide) in a polymer resin matrix) — mineral

Engineerged Quartz (Quartz Composite)

SiO2 (Silicon Dioxide) in a polymer resin matrix

Chakra Stone Tower (Composite Multi-Mineral) (Crystalline Silicon Dioxide composite (SiO2) with various inclusions) — mineral

Chakra Stone Tower (Composite Multi-Mineral)

Crystalline Silicon Dioxide composite (SiO2) with various inclusions

Chert (and Fossiliferous Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chert (and Fossiliferous Chert)

Silicon Dioxide (SiO2)

Fulgurite (Fulgurite (Lechatelierite), amorphous SiO2) — metamorphic

Fulgurite

Fulgurite (Lechatelierite), amorphous SiO2

Fossiliferous Limestone (Crinoidal) (Crinoid Limestone (CaCO3 with fossil biological remains)) — sedimentary

Fossiliferous Limestone (Crinoidal)

Crinoid Limestone (CaCO3 with fossil biological remains)

Echinoid Fossil (Commonly called a Sea Urchin or Heart Urchin) (Phylum Echinodermata, Class Echinoidea) — sedimentary

Echinoid Fossil (Commonly called a Sea Urchin or Heart Urchin)

Phylum Echinodermata, Class Echinoidea

Travertine (Travertine (CaCO3)) — sedimentary

Travertine

Travertine (CaCO3)

Fluorite (Fluorite (CaF2)) — mineral

Fluorite

Fluorite (CaF2)

Mother of Pearl (Nacre) (Calcium Carbonate (Aragonite) with organic conchiolin) — gemstone

Mother of Pearl (Nacre)

Calcium Carbonate (Aragonite) with organic conchiolin

Fossil Coral (Anthozoa (Scleractinia)) — fossil

Fossil Coral

Anthozoa (Scleractinia)

Belemnoit Fossil (Thunderstick) (Belemnitida (Internal rostrum)) — fossil

Belemnoit Fossil (Thunderstick)

Belemnitida (Internal rostrum)

Fossilized Shell in Limestone (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Fossilized Shell in Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Shungite (Non-crystalline carbonoid (Shungite)) — metamorphic

Shungite

Non-crystalline carbonoid (Shungite)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Petoskey Stone (Hexagonaria percarinata (Fossilized Rugose Coral)) — sedimentary

Petoskey Stone

Hexagonaria percarinata (Fossilized Rugose Coral)

Polished pink banded agate (Microcrystalline quartz (chalcedony), SiO₂) — mineral

Polished pink banded agate

Microcrystalline quartz (chalcedony), SiO₂

Moss Agate (Chalcedony (Silicon Dioxide - SiO2) with inclusions) — Mineral

Moss Agate

Chalcedony (Silicon Dioxide - SiO2) with inclusions

Ironstone Concretion / Chert Nodules (Iron-rich Sedimentary Concretion (Fe2O3 / SiO2 mix)) — sedimentary

Ironstone Concretion / Chert Nodules

Iron-rich Sedimentary Concretion (Fe2O3 / SiO2 mix)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Peanut Wood (Petrified Wood (Silicified Araucaria with Teredo boreholes)) — fossil

Peanut Wood

Petrified Wood (Silicified Araucaria with Teredo boreholes)

Sandstone Pebble (Arenite (typically SiO2)) — sedimentary

Sandstone Pebble

Arenite (typically SiO2)

Red Shale (Lutite (primarily composed of Hydrous Aluminum Silicates with Hematite staining)) — sedimentary

Red Shale

Lutite (primarily composed of Hydrous Aluminum Silicates with Hematite staining)

Dendritic Siltstone (Siltstone with Manganese Dendrites (MnO2)) — sedimentary

Dendritic Siltstone

Siltstone with Manganese Dendrites (MnO2)

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Pearl (Organic Mineraloid (CaCO3 + Conchiolin)) — mineral

Pearl

Organic Mineraloid (CaCO3 + Conchiolin)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Belemnite Fossil (Belemnitida (extinct order of Cephalopods)) — sedimentary

Belemnite Fossil

Belemnitida (extinct order of Cephalopods)

Agate (Moss or Green Agate) (Silicon Dioxide (SiO2)) — mineral

Agate (Moss or Green Agate)

Silicon Dioxide (SiO2)

Echinoid Fossil in Flint or Chert Nodule (Echinoidea embedded in sedimentary silica (SiO2)) — fossil

Echinoid Fossil in Flint or Chert Nodule

Echinoidea embedded in sedimentary silica (SiO2)

Fossil shell fragment (likely brachiopod or bivalve) (Indeterminate fossilized carbonate shell; likely Brachiopoda or Bivalvia) — fossil

Fossil shell fragment (likely brachiopod or bivalve)

Indeterminate fossilized carbonate shell; likely Brachiopoda or Bivalvia

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Limpets Shell / Fossil Specimen (Patellogastropoda (Class)) — fossil

Limpets Shell / Fossil Specimen

Patellogastropoda (Class)

Ammonite Fossil (Iridiscent) (Ammonoidea (subclass)) — fossil

Ammonite Fossil (Iridiscent)

Ammonoidea (subclass)

Petoskey Stone (Hexagonaria percarinata) — sedimentary

Petoskey Stone

Hexagonaria percarinata