Rock Identifier

Category

Sedimentary (Fossilized Organic Matter)

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

Learn about Sedimentary (Fossilized Organic Matter) in the encyclopedia

Sapropel

Petrified Wood

Amber

Bituminous Shale

Bituminous Shale

Oil Shale

Matte Obsidian

Black Shale

Conglomerate

Jet

Peat

Quartzite Sandstone

Quartzite Sandstone

Breccia

Fossiliferous Limestone / Petrifaction (Sedimentary rock with fossil inclusions / Calcium Carbonate (CaCO3)) — fossil

Fossiliferous Limestone / Petrifaction

Sedimentary rock with fossil inclusions / Calcium Carbonate (CaCO3)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Travertine (Tufa limestone (CaCO3)) — sedimentary

Travertine

Tufa limestone (CaCO3)

Septarian Nodule (Calcite-bearing Septarian Concretion) — sedimentary

Septarian Nodule

Calcite-bearing Septarian Concretion

Fossilized Bone (Permineralized Vertebrate Bone) — fossil

Fossilized Bone

Permineralized Vertebrate Bone

Fossilized Vertebra (Chordata fossil (Vertebra)) — fossil

Fossilized Vertebra

Chordata fossil (Vertebra)

Fossilized Coral (Scleractinia (fossil order), primarily Calcium Carbonate (CaCO3)) — sedimentary

Fossilized Coral

Scleractinia (fossil order), primarily Calcium Carbonate (CaCO3)

Calcite crystal cluster (Calcite (calcium carbonate, CaCO₃)) — mineral

Calcite crystal cluster

Calcite (calcium carbonate, CaCO₃)

Glauconite (Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2) — mineral

Glauconite

Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2

Green Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Oyster Shell Fragment (Crassostrea virginica (or related Bivalvia)) — fossil

Oyster Shell Fragment

Crassostrea virginica (or related Bivalvia)

Fossilized Bone (Fossilized Vertebrate Bone (Per mineralized)) — fossil

Fossilized Bone

Fossilized Vertebrate Bone (Per mineralized)

Shark Tooth Fossil (Vertebrate fossilized tooth (Chondrichthyes)) — fossil

Shark Tooth Fossil

Vertebrate fossilized tooth (Chondrichthyes)

Dinosaur Fossil (Skull) (Dinosauria fossilis (Petrified Hydroxyapatite / Calcium Carbonate)) — sedimentary

Dinosaur Fossil (Skull)

Dinosauria fossilis (Petrified Hydroxyapatite / Calcium Carbonate)

Amber (Succinate (Fossilized Tree Resin)) — mineraloid

Amber

Succinate (Fossilized Tree Resin)

Petrified Wood (Silicified wood (Quartz replacement, SiO2)) — fossil

Petrified Wood

Silicified wood (Quartz replacement, SiO2)

Flint or chert flake (Microcrystalline quartz (SiO₂), commonly chalcedony with possible minor impurities) — sedimentary

Flint or chert flake

Microcrystalline quartz (SiO₂), commonly chalcedony with possible minor impurities

Septarian Nodule (Septarian Concretion (CaCO3 + Hydrated SiO2)) — sedimentary

Septarian Nodule

Septarian Concretion (CaCO3 + Hydrated SiO2)

Glauconitic Sandstone (Glauconitic Quartz Arenite) — sedimentary

Glauconitic Sandstone

Glauconitic Quartz Arenite

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Chert Nodule (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Nodule

Microcrystalline Quartz (SiO2)

Fossilized Shark Tooth (Selachimorpha fossil) — fossil

Fossilized Shark Tooth

Selachimorpha fossil

Baltic Amber (Succinite (Fossilized Resin)) — fossil

Baltic Amber

Succinite (Fossilized Resin)

Amber (Succinite (Fossilized Tree Resin)) — mineral

Amber

Succinite (Fossilized Tree Resin)

Petrified Wood (Silicified Wood (SiO2)) — mineral

Petrified Wood

Silicified Wood (SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Geode (Unopened) (SiO2 (Quartz-filled Sedimentary Nodule)) — sedimentary

Geode (Unopened)

SiO2 (Quartz-filled Sedimentary Nodule)

Pyrite Geode (Sparkling Druzy) (Iron Sulfide (FeS2) in Sedimentary Nodule) — mineral

Pyrite Geode (Sparkling Druzy)

Iron Sulfide (FeS2) in Sedimentary Nodule

Amber (Succinates (Fossilized Tree Resin)) — fossil

Amber

Succinates (Fossilized Tree Resin)

Petrified Wood (Silicified Wood (Permineralized organic matter, głównie $SiO_2$)) — fossil

Petrified Wood

Silicified Wood (Permineralized organic matter, głównie $SiO_2$)

Calligraphy Stone (Mariam Jasper (Fossiliferous Limestone with Hematite and Iron)) — sedimentary

Calligraphy Stone

Mariam Jasper (Fossiliferous Limestone with Hematite and Iron)

Chert (specifically Gray/Black Chert) (Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (specifically Gray/Black Chert)

Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)

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

Chert (Flint) with Quartz Inclusions

Microcrystalline Quartz (SiO2)

Chert Nodule (with Chalcedony) (Chert (SiO2) / Cryptocrystalline Quartz) — sedimentary

Chert Nodule (with Chalcedony)

Chert (SiO2) / Cryptocrystalline Quartz

Septarian Nodule (Septarian Concretion (CaCO3 with Siderite/Limonite streaks)) — sedimentary

Septarian Nodule

Septarian Concretion (CaCO3 with Siderite/Limonite streaks)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Chert / Flint (Microcrystalline or cryptocrystalline quartz (SiO2)) — sedimentary

Chert / Flint

Microcrystalline or cryptocrystalline quartz (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pyrite in Shaly Matrix (Iron Sulfide (FeS2)) — mineral

Pyrite in Shaly Matrix

Iron Sulfide (FeS2)

Fossilized Bone (Permineralized Vertebrate Bone) — fossil

Fossilized Bone

Permineralized Vertebrate Bone

Fossilized Bone (Vertebrate Fossil Fragment (Calcium Phosphate / Hydroxyapatite)) — fossil

Fossilized Bone

Vertebrate Fossil Fragment (Calcium Phosphate / Hydroxyapatite)

Shale (Shale (clastic sedimentary rock)) — Sedimentary

Shale

Shale (clastic sedimentary rock)