Rock Identifier

Category

Mineral (Organic)

Browse mineral (organic) specimens identified by the Rock Identifier community.

Learn about Mineral (Organic) in the encyclopedia

Sapropel

Black Shale

Bituminous Shale

Bituminous Shale

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

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

Shark Tooth Fossil

Vertebrate fossilized tooth (Chondrichthyes)

Fossilized Shark Tooth (Root Portion) (Selachimorpha (partial specimen)) — fossil

Fossilized Shark Tooth (Root Portion)

Selachimorpha (partial specimen)

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

Chert (Flint)

Cryptocrystalline Quartz (SiO2)

Glauconite (Greensand Articulated Sandstone) (Glauconite ((K, Na)(Fe, Al, Mg)2(Si, Al)4O10(OH)2)) — sedimentary

Glauconite (Greensand Articulated Sandstone)

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

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

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Fossil Shark Tooth (Selachimorpha (Chondrichthyes dental fossil)) — sedimentary

Fossil Shark Tooth

Selachimorpha (Chondrichthyes dental fossil)

Glauconitic Sandstone (Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2 in Quartz Sandstone) — sedimentary

Glauconitic Sandstone

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

Petrified Wood (Silicified Wood (SiO2 permineralization)) — fossil

Petrified Wood

Silicified Wood (SiO2 permineralization)

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Pyrite (Pseudomorph) (Iron Sulfide (FeS2)) — mineral

Pyrite (Pseudomorph)

Iron Sulfide (FeS2)

Chert (White Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chert (White Chert)

Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Shale (Shale (comprised mostly of clay minerals and quartz)) — sedimentary

Shale

Shale (comprised mostly of clay minerals and quartz)

Chert (Jasper variation) (Chert (Cryptocrystalline microcrystalline Silicon Dioxide, SiO2)) — sedimentary

Chert (Jasper variation)

Chert (Cryptocrystalline microcrystalline Silicon Dioxide, SiO2)

Chert (Flint) (Silicon dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon dioxide (SiO2)

Chert / Chalcedony (Microcrystalline Quartz (SiO2)) — sedimentary

Chert / Chalcedony

Microcrystalline Quartz (SiO2)

Fossilized Shark Tooth (Chondrichthyes (Class)) — fossil

Fossilized Shark Tooth

Chondrichthyes (Class)

Fossilized Bark (Lepidodendron / Sigillaria fossil impression) — fossil

Fossilized Bark

Lepidodendron / Sigillaria fossil impression

Jasper (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon Dioxide (SiO2) with impurities

Jasper (Silicon Dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper

Silicon Dioxide (SiO2) microcrystalline quartz

Amber (Fossilized Tree Resin (C10H16O)) — gemstone

Amber

Fossilized Tree Resin (C10H16O)

Chert (Polished/Tumbled) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Polished/Tumbled)

Silicon Dioxide (SiO2)

Amber (Succinite (fossilized resin)) — mineraloid

Amber

Succinite (fossilized resin)

Quartzite river stone (Quartzite (SiO2)) — metamorphic

Quartzite river stone

Quartzite (SiO2)

Moss Agate (Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions) — mineral

Moss Agate

Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions

Amber (Raw Copal) (Fossilized Plant Resin (Gummite/Succinite)) — mineral

Amber (Raw Copal)

Fossilized Plant Resin (Gummite/Succinite)

Moss Agate (Silicon Dioxide with inclusions (SiO2 + Mn/Fe oxides)) — mineral

Moss Agate

Silicon Dioxide with inclusions (SiO2 + Mn/Fe oxides)

Amber (Succinite (fossilized tree resin)) — mineral

Amber

Succinite (fossilized tree resin)

Pink Opal (Hydrated Silica (SiO2·nH2O)) — mineral

Pink Opal

Hydrated Silica (SiO2·nH2O)

Moss Agate with Quartz Druzy (Chalcedony with inclusions (SiO2)) — mineral

Moss Agate with Quartz Druzy

Chalcedony with inclusions (SiO2)

Moss Agate (Silicon Dioxide with inclusions (SiO2 + Fe/Mg/Mn/Chlorite)) — mineral

Moss Agate

Silicon Dioxide with inclusions (SiO2 + Fe/Mg/Mn/Chlorite)

Amber (Succinite (organic mineraloid); Chemical formula: C10H16O) — mineral

Amber

Succinite (organic mineraloid); Chemical formula: C10H16O

Coal (Bituminous / Anthracite) (Organic Sedimentary Rock (Carbonaceous Rock)) — sedimentary

Coal (Bituminous / Anthracite)

Organic Sedimentary Rock (Carbonaceous Rock)

Amber (Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)) — Mineraloid

Amber

Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)

Limestone with Calcite Veining (Sedimentary Rock (Calcium Carbonate, CaCO3)) — sedimentary

Limestone with Calcite Veining

Sedimentary Rock (Calcium Carbonate, CaCO3)

Green Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Green Jasper

Microcrystalline Quartz (Chalcedony), SiO2

Fossilized Shark Tooth (Carcharhinus sp. (likely Bull or Requiem shark family)) — sedimentary

Fossilized Shark Tooth

Carcharhinus sp. (likely Bull or Requiem shark family)

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

Moss Agate

Chalcedony (Silicon Dioxide - SiO2) with inclusions

Petrified Wood (Silicified Wood (primarily Quartz/SiO2)) — fossil

Petrified Wood

Silicified Wood (primarily Quartz/SiO2)

Shark Tooth Fossil (Carcharodonta (order Lamniformes), likely Carcharias spp.) — fossil

Shark Tooth Fossil

Carcharodonta (order Lamniformes), likely Carcharias spp.

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Fossilized Shark Tooth (Carcharocles sp. (likely Lemon or Sand Tiger)) — sedimentary

Fossilized Shark Tooth

Carcharocles sp. (likely Lemon or Sand Tiger)