Amber in Matrix
Succinite (Carbon-based organic polymer)
Organic (Sedimentary context)
Category
Organic Gemstone
Browse organic gemstone specimens identified by the Rock Identifier community.
Learn about Organic Gemstone in the encyclopedia
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Fossil Shark Tooth (Sand Tiger or Mackerel Shark)
Carcharias sp. or Otodus sp. replaced by Hydroxylapatite/Calcium Carbonate
sedimentary
Fossiliferous Limestone (Shell Fragment)
Biogenic Limestone (Calcium Carbonate / CaCO3)
sedimentary
Amber
Succinite (organic fossilized resin)
mineraloid
Amber
Succinite (fossilized tree resin)
mineral
Moss Agate
Silicon dioxide (SiO2) with inclusions
Mineral
Chert Pebble
Chert (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Fossiliferous Limestone
Fossiliferous Limestone
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Chert (Flint nodule)
Chert (SiO2)
sedimentary
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Fossilized Shell in Limestone
Bivalve fossil (CaCO3) in Carbonate Sedimentary Rock
sedimentary
Amber
Succinates (Organic Fossilized Resin)
mineral
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxides
mineral
Fossiliferous Limestone
Fossiliferous Limestone (CaCO3)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Oak-grain Laminate (Industrial/Decorative Furniture Finish)
Melamine Resin-impregnated Decorative Paper on Particleboard (Cellulose/Thermosetting Plastic)
not a rock (synthetic material)
Fossiliferous Limestone
Calcium Carbonate (CaCO3)
sedimentary
Coquina / Limonite-stained Limestone
Sedimentary Limestone with Iron Oxyhydroxide (FeO(OH)·nH2O)
sedimentary
Stardust (Micrometeorite)
Chondrite / Micrometeorite (Extraterrestrial Silicate)
igneous
Moss Agate
Chalcedony (SiO2) with inclusions of hornblende or chlorite
mineral
Amber (Green variation)
Succinite
fossil
Limestone with Fossil Inclusion
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Coal (Bituminous or Anthracite)
Carbonaceous sedimentary rock (primarily Carbon, C)
sedimentary
Megalodon Shark Tooth (Partial Fossil)
Otodus megalodon (fossilized in Calcium Phosphate/Apatite)
Mineral/Fossil
Onyx (Black) and Mother of Pearl Inlay
Silicon Dioxide (SiO2) for Onyx; Aragonite (CaCO3) for Mother of Pearl
mineral
Coquina (Fossiliferous Limestone)
Coquina (Organic Clastic Limestone)
sedimentary
Amber
Succinite (Organic Mineraloid) - C10H16O
mineral
Coal (likely Bituminous or Lignite)
Organic Sedimentary Rock (Carbonaceous)
sedimentary
Travertine
Calcareous tufa (CaCO3)
sedimentary
Amber with Organic Inclusions
Succinite (fossilized resin)
mineraloid
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variation)
Chert (Cryptocrystalline microcrystalline Silicon Dioxide, SiO2)
sedimentary
Amber
Succinite (a common variety of fossilized resin)
mineral
Amber
Amber (Amorphous Organic Hydrocarbon)
mineral
Coal (most likely Bituminous or Anthracite)
Coal (organic sedimentary rock)
Sedimentary
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
Ironstone Concretion (Limonite/Goethite)
Goethite/Limonite concretion (FeO(OH)·nH2O)
sedimentary
Amber
Succinite (fossilized resin)
Mineral
Amber
Succinite (fossilized tree resin)
Organic Mineraloid