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

Petrified Wood (Silicified Wood (primarily Quartz / Chalcedony: SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily Quartz / Chalcedony: SiO2)

Likely fossil shell fragment (Indeterminate mollusk fossil; possibly a gastropod or bivalve in limestone) — fossil

Likely fossil shell fragment

Indeterminate mollusk fossil; possibly a gastropod or bivalve in limestone

Amber (Fossilized Tree Resin) — gemstone

Amber

Fossilized Tree Resin

Moss Agate (SiO2) — mineral

Moss Agate

SiO2

Fossiliferous Sedimentary Rock (Sedimentary limestone with invertebrate fossil imprint) — fossil

Fossiliferous Sedimentary Rock

Sedimentary limestone with invertebrate fossil imprint

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Graphite (Carbon (C)) — mineral

Graphite

Carbon (C)

Amber (Succinite (Fossilized Tree Resin)) — fossil

Amber

Succinite (Fossilized Tree Resin)

Polished moss agate (Moss agate, a variety of chalcedony (microcrystalline quartz, SiO₂)) — gemstone

Polished moss agate

Moss agate, a variety of chalcedony (microcrystalline quartz, SiO₂)

Amber (Succinate (Fossilized Tree Resin)) — fossil

Amber

Succinate (Fossilized Tree Resin)

Fossilized bone fragment (Fossil bone, composed chiefly of carbonate-fluorapatite (bioapatite)) — fossil

Fossilized bone fragment

Fossil bone, composed chiefly of carbonate-fluorapatite (bioapatite)

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Brown translucent mineral fragment, possibly iron-stained quartz or amber (Uncertain; likely quartz (SiO₂) with iron-oxide staining, though amber (fossilized resin) is possible) — mineral

Brown translucent mineral fragment, possibly iron-stained quartz or amber

Uncertain; likely quartz (SiO₂) with iron-oxide staining, though amber (fossilized resin) is possible

Precious Coral (Red Coral) (Corallium rubrum (Calcium Carbonate, CaCO3)) — mineral

Precious Coral (Red Coral)

Corallium rubrum (Calcium Carbonate, CaCO3)

Amber (Amber (C10H16O)) — mineral

Amber

Amber (C10H16O)

Amber (Succinite (organic fossilized resin)) — mineraloid

Amber

Succinite (organic fossilized resin)

Pearl (Calcium Carbonate (CaCO3) + Conchiolin) — mineral

Pearl

Calcium Carbonate (CaCO3) + Conchiolin

Limestone with Fossil Fragment (Sedimentary carbonate rock (CaCO3)) — sedimentary

Limestone with Fossil Fragment

Sedimentary carbonate rock (CaCO3)

Quartz-veined Limestone (Sedimentary limestone with quartz/calcite veinlets) — sedimentary

Quartz-veined Limestone

Sedimentary limestone with quartz/calcite veinlets

Shark Tooth Fossil (Carcharocles megalodon or similar extinct shark tooth) — fossil

Shark Tooth Fossil

Carcharocles megalodon or similar extinct shark tooth

Amber (Succinite (fossilized tree resin), C10H16O) — Organic Gemstone

Amber

Succinite (fossilized tree resin), C10H16O

Organic Gemstone

Amber (Succinite (Fossilized Tree Resin, C10H16O)) — gemstone

Amber

Succinite (Fossilized Tree Resin, C10H16O)

Amber (Succinate (Fossilized Tree Resin)) — mineraloid

Amber

Succinate (Fossilized Tree Resin)

Amber (Succinite (amorphous organic polymer)) — mineral

Amber

Succinite (amorphous organic polymer)

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

Pearl

Organic Mineraloid (CaCO3 + Conchiolin)

Rough Amber (likely Copal or immature Amber) (Organic gemstone / Succinite (if Baltic)) — mineral

Rough Amber (likely Copal or immature Amber)

Organic gemstone / Succinite (if Baltic)

Amber (Amber (Amorphous Organic Hydrocarbon)) — mineral

Amber

Amber (Amorphous Organic Hydrocarbon)

Amber (Succinite (a fossilized organic resin)) — mineral

Amber

Succinite (a fossilized organic resin)

Amber (Succinite (C10H16O)) — mineral

Amber

Succinite (C10H16O)

Amber (Succinates (Fossilized Resin)) — mineral

Amber

Succinates (Fossilized Resin)

Amber (Succinite (fossilized resin)) — mineral

Amber

Succinite (fossilized resin)

Amber (Fossilized tree resin (Amorphous organic polymer)) — gemstone

Amber

Fossilized tree resin (Amorphous organic polymer)

Amber (Succinite (fossilized tree resin)) — mineral

Amber

Succinite (fossilized tree resin)

Amber (Fossilized Resin (C10H16O)) — mineral

Amber

Fossilized Resin (C10H16O)

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

Amber

Succinite (specifically for Baltic amber); approximate formula C10H16O

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Fossilized Tooth Fragment (Vertebrate Fossil (Mammalia indet.)) — fossil

Fossilized Tooth Fragment

Vertebrate Fossil (Mammalia indet.)

Pearl (Nacre (aragonite, CaCO₃, in a conchiolin matrix)) — gemstone

Pearl

Nacre (aragonite, CaCO₃, in a conchiolin matrix)

Pearl necklace (Pearl: biogenic calcium carbonate, primarily aragonite (CaCO₃), in a conchiolin matrix) — gemstone

Pearl necklace

Pearl: biogenic calcium carbonate, primarily aragonite (CaCO₃), in a conchiolin matrix

Amber (Succinite (Fossilized Resin)) — mineral

Amber

Succinite (Fossilized Resin)

Amber (Succinite (Fossilized Resin)) — mineral

Amber

Succinite (Fossilized Resin)

Graphite-rich metamorphic rock (graphitic schist) (Graphitic schist; chiefly graphite (C), quartz (SiO₂), and mica minerals) — metamorphic

Graphite-rich metamorphic rock (graphitic schist)

Graphitic schist; chiefly graphite (C), quartz (SiO₂), and mica minerals