Rock Identifier

Category

Sedimentary (Fossilized Organic Matter)

Browse sedimentary (fossilized organic matter) specimens identified by the Rock Identifier community.

Amber (Fossilized Tree Resin (C10H16O)) — mineral

Amber

Fossilized Tree Resin (C10H16O)

mineral
Amber (Succinite (with empirical formula approximately C10H16O)) — Organic Mineraloid

Amber

Succinite (with empirical formula approximately C10H16O)

Organic Mineraloid
Amber (Succinite (Resinite)) — Organic Crystal (Mineraloid)

Amber

Succinite (Resinite)

Organic Crystal (Mineraloid)
Amber (Succinite (Organic Mineraloid) - C10H16O) — mineral

Amber

Succinite (Organic Mineraloid) - C10H16O

mineral
Amber (Succinicum (Organic Gemstone - Resinite)) — mineraloid

Amber

Succinicum (Organic Gemstone - Resinite)

mineraloid
Amber (Succinite (Organic Mineraloid)) — mineral

Amber

Succinite (Organic Mineraloid)

mineral
Amber (Succinite (C10H16O)) — mineral

Amber

Succinite (C10H16O)

mineral
Amber (Succinite (specifically for Baltic amber); approximate formula C10H16O) — Mineraloid

Amber

Succinite (specifically for Baltic amber); approximate formula C10H16O

Mineraloid
Amber (Succinite (with formula approximately C10H16O)) — Organic mineraloid

Amber

Succinite (with formula approximately C10H16O)

Organic mineraloid
Amber (Succinite (a common variety of fossilized resin)) — mineral

Amber

Succinite (a common variety of fossilized resin)

mineral
Fossilized Wood (with Coal and Limonite) (Petrified Wood (Silicified or Carbonized Flora)) — sedimentary

Fossilized Wood (with Coal and Limonite)

Petrified Wood (Silicified or Carbonized Flora)

sedimentary
Amber (Succinite (fossilized tree resin)) — mineraloid

Amber

Succinite (fossilized tree resin)

mineraloid
Amber-bearing Coal/Sedimentary Rock (Bituminous coal or carbonaceous siltstone with Fossilized Tree Resin (C10H16O)) — sedimentary

Amber-bearing Coal/Sedimentary Rock

Bituminous coal or carbonaceous siltstone with Fossilized Tree Resin (C10H16O)

sedimentary
Amber (Succinite (specifically for Baltic amber); Approximate formula: C10H16O) — Organic Gemstone (Mineraloid)

Amber

Succinite (specifically for Baltic amber); Approximate formula: C10H16O

Organic Gemstone (Mineraloid)
Amber (Resinite (Succinite if from the Baltic); Chemical Formula: C10H16O (approximate)) — Organic Diamond/Gemstone (often associated with Sedimentary sequences)

Amber

Resinite (Succinite if from the Baltic); Chemical Formula: C10H16O (approximate)

Organic Diamond/Gemstone (often associated with Sedimentary sequences)
Amber (Succinite (C10H16O)) — Mineraloid (Organic)

Amber

Succinite (C10H16O)

Mineraloid (Organic)
Black Limestone with Calcite Veining (Bituminous Limestone (CaCO3 with Organic Carbon inclusions)) — sedimentary

Black Limestone with Calcite Veining

Bituminous Limestone (CaCO3 with Organic Carbon inclusions)

sedimentary
Amber (Succinite (Formula: C10H16O)) — mineral

Amber

Succinite (Formula: C10H16O)

mineral
Fossiliferous Brachiopod in Shale (Brachiopoda (Phylum) preserved in Carbonaceous Shale) — sedimentary

Fossiliferous Brachiopod in Shale

Brachiopoda (Phylum) preserved in Carbonaceous Shale

sedimentary
Amber (Succinite (specifically for Baltic amber); chemical formula approx. C10H16O) — Organic Gemstone (fossilized resin)

Amber

Succinite (specifically for Baltic amber); chemical formula approx. C10H16O

Organic Gemstone (fossilized resin)
Amber (Dark/Black Variety) (Succinite (Resinite), C10H16O) — mineral

Amber (Dark/Black Variety)

Succinite (Resinite), C10H16O

mineral
Tree Agate (Silicon Dioxide (SiO2) - Dendritic Agate/Chalcedony) — sedimentary

Tree Agate

Silicon Dioxide (SiO2) - Dendritic Agate/Chalcedony

sedimentary
Amber (Succinite) — Organic (Mineraloid)

Amber

Succinite

Organic (Mineraloid)
Amber (Amber (Fossilized Tree Resin)) — Mineral

Amber

Amber (Fossilized Tree Resin)

Mineral
Amber (Fossilized Tree Resin (Generic formula roughly C10H16O)) — mineral

Amber

Fossilized Tree Resin (Generic formula roughly C10H16O)

mineral
Amber (Amber (Amorphous Organic Hydrocarbon)) — mineral

Amber

Amber (Amorphous Organic Hydrocarbon)

mineral
Amber (Succinite (specific to Baltic amber), fossilized tree resin) — mineraloid

Amber

Succinite (specific to Baltic amber), fossilized tree resin

mineraloid
Amber (Fossilized Tree Resin (Amorphous Hydrocarbon)) — Mineral

Amber

Fossilized Tree Resin (Amorphous Hydrocarbon)

Mineral
Amber (Succinite (formula varies, primarily C10H16O)) — Mineraloid (Organic)

Amber

Succinite (formula varies, primarily C10H16O)

Mineraloid (Organic)
Amber (Succinicum (Organic polymer, largely C10H16O)) — Organic Mineral

Amber

Succinicum (Organic polymer, largely C10H16O)

Organic Mineral
Septarian Nodule (Septarian Concretion (Composition: Calcite, Aragonite, and Limestone/Clay)) — sedimentary

Septarian Nodule

Septarian Concretion (Composition: Calcite, Aragonite, and Limestone/Clay)

sedimentary
Fossilized Wood (Petrified Wood) (Silicified Wood (primarily quartz/chalcedony replacing organic matter)) — Sedimentary (with some aspects of mineral replacement)

Fossilized Wood (Petrified Wood)

Silicified Wood (primarily quartz/chalcedony replacing organic matter)

Sedimentary (with some aspects of mineral replacement)
Amber (and Citrine Quartz) (Succinite (Amber) and Silicon Dioxide (SiO2)) — Organic Mineraloid and Mineral

Amber (and Citrine Quartz)

Succinite (Amber) and Silicon Dioxide (SiO2)

Organic Mineraloid and Mineral
Lignite (Brown Coal) (Humic Lignite (Carbonaceous sedimentary rock)) — sedimentary

Lignite (Brown Coal)

Humic Lignite (Carbonaceous sedimentary rock)

sedimentary
Pyrite in Shale (Iron Disulfide (FeS2)) — mineral

Pyrite in Shale

Iron Disulfide (FeS2)

mineral
Amber (Succinite (with a generalized formula of C10H16O)) — mineral

Amber

Succinite (with a generalized formula of C10H16O)

mineral
Limestone (specifically Bituminous or Carbonaceous Limestone) (Calcium Carbonate (CaCO3) with Organic Impurities) — sedimentary

Limestone (specifically Bituminous or Carbonaceous Limestone)

Calcium Carbonate (CaCO3) with Organic Impurities

sedimentary
Ironstone concretion / Limonitic Sandstone (Goethite/Hematite Cemented Sandstone (Hydrated Iron Oxide)) — sedimentary

Ironstone concretion / Limonitic Sandstone

Goethite/Hematite Cemented Sandstone (Hydrated Iron Oxide)

sedimentary
Petrified Wood (Jet or Coalified Wood appearance) (Silicified wood (principally SiO2) or Carbonized Wood) — sedimentary

Petrified Wood (Jet or Coalified Wood appearance)

Silicified wood (principally SiO2) or Carbonized Wood

sedimentary
Amber (Black) (Amber (succinite, retinite, etc., specifically, heavily included/dark varieties)) — Mineraloid

Amber (Black)

Amber (succinite, retinite, etc., specifically, heavily included/dark varieties)

Mineraloid
Chalcedony (Common Opal variant) (Silicon dioxide (SiO2) with varying levels of hydration) — mineral

Chalcedony (Common Opal variant)

Silicon dioxide (SiO2) with varying levels of hydration

mineral
Amber / Copal (Fossilized Tree Resin (Succinate)) — Mineraloid

Amber / Copal

Fossilized Tree Resin (Succinate)

Mineraloid