Rock Identifier

Category

Organic (Non Rock)

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

Learn about Organic (Non Rock) in the encyclopedia

Mudstone

Bituminous Shale

Bituminous Shale

Hornfels

Black Shale

Oil Shale

Argillite

Sapropel

Green Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Green Chert

Microcrystalline Quartz (SiO2)

Shale / Mudstone (Laminated Mudrock (Siliciclastic Sedimentary Rock)) — sedimentary

Shale / Mudstone

Laminated Mudrock (Siliciclastic Sedimentary Rock)

Likely bituminous coal (Coal, predominantly carbon-rich organic matter with variable maceral and mineral content) — sedimentary

Likely bituminous coal

Coal, predominantly carbon-rich organic matter with variable maceral and mineral content

Anthracite Coal (Anthracite (Carbon based fossil fuel)) — metamorphic

Anthracite Coal

Anthracite (Carbon based fossil fuel)

Amber (Succinite (Fossilized Tree Resin)) — fossil

Amber

Succinite (Fossilized Tree Resin)

Shungite (Carbonaceous rock (primarily amorphous carbon)) — Mineraloid

Shungite

Carbonaceous rock (primarily amorphous carbon)

Quartzite (Quartzite) — metamorphic

Quartzite

Quartzite

Horse Chestnut (Buckeye seed) (Aesculus hippocastanum seed) — Organic (Non-geological)

Horse Chestnut (Buckeye seed)

Aesculus hippocastanum seed

Organic (Non-geological)

Trace Fossil (Lichenandites or Rhynie Chert Chert with Microfossils) (Trace fossil in microcrystalline quartz (SiO2)) — fossil

Trace Fossil (Lichenandites or Rhynie Chert Chert with Microfossils)

Trace fossil in microcrystalline quartz (SiO2)

Ambergris (Ambergris (Coprolite-adjacent/Organic secretion)) — mineraloid

Ambergris

Ambergris (Coprolite-adjacent/Organic secretion)

Quartzite (Metamorphic rock (SiO2)) — metamorphic

Quartzite

Metamorphic rock (SiO2)

Pumice or Vesicular Basalt/Scoria (water-worn) (Vesicular volcanic rock) — igneous

Pumice or Vesicular Basalt/Scoria (water-worn)

Vesicular volcanic rock

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

Fossiliferous Sedimentary Rock

Sedimentary limestone with invertebrate fossil imprint

Amber (Succinite (approximate formula C10H16O)) — mineraloid

Amber

Succinite (approximate formula C10H16O)

Fossiliferous Limestone (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Natural Pearl (Calcium carbonate (primarily Aragonite and Conchiolin), CaCO3) — mineral

Natural Pearl

Calcium carbonate (primarily Aragonite and Conchiolin), CaCO3

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Amber (Succinite (specifically for Baltic Amber), Formula: C10H16O) — Mineraloid

Amber

Succinite (specifically for Baltic Amber), Formula: C10H16O

Weathered dark mineral/rock fragment (Indeterminate; possibly iron-rich basalt, slag, or a sulfide-bearing mineral) — mineral

Weathered dark mineral/rock fragment

Indeterminate; possibly iron-rich basalt, slag, or a sulfide-bearing mineral

Amber (Fossilized Tree Resin) — gemstone

Amber

Fossilized Tree Resin

Amber (Succinurite (C10H16O)) — mineraloid

Amber

Succinurite (C10H16O)

Amber (Succinite (fossilized resin)) — mineral

Amber

Succinite (fossilized resin)

Anthracite Coal (Anthracite) — metamorphic

Anthracite Coal

Anthracite

Amber (Fossilized Tree Resin (Organic Polymer)) — gemstone

Amber

Fossilized Tree Resin (Organic Polymer)

Anthracite Coal (Anthracite (Highly Metamorphosed Coal)) — sedimentary

Anthracite Coal

Anthracite (Highly Metamorphosed Coal)

Coal (most likely Bituminous or Anthracite) (Coal (organic sedimentary rock)) — Sedimentary

Coal (most likely Bituminous or Anthracite)

Coal (organic sedimentary rock)

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

Pink Opal

Hydrated Silica (SiO2·nH2O)

Amber (Succinite (Fossilized Tree Resin)) — gemstone

Amber

Succinite (Fossilized Tree Resin)

Chert (and/or Siltstone River Pebble) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (and/or Siltstone River Pebble)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Eclogite (Eclogite (High-pressure metamorphic rock)) — metamorphic

Eclogite

Eclogite (High-pressure metamorphic rock)

Weathered Sedimentary Rock (Sedimentary Rock) — Sedimentary

Weathered Sedimentary Rock

Sedimentary Rock

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Fossiliferous Shale (Carbonaceous Shale (with potential plant/aquatic fossils)) — sedimentary

Fossiliferous Shale

Carbonaceous Shale (with potential plant/aquatic fossils)

Chert (and/or Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (and/or Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Amber (Raw Copal)

Fossilized Plant Resin (Gummite/Succinite)

Quartzite (Quartzite (Recrystallized Quartz Sandstone)) — metamorphic

Quartzite

Quartzite (Recrystallized Quartz Sandstone)

Anthracite Coal (Anthracite) — metamorphic

Anthracite Coal

Anthracite

Fossiliferous Limestone (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Generic Pebble (Lithic Fragment) — sedimentary

Generic Pebble

Lithic Fragment

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

Amber

Succinite (with a generalized formula of C10H16O)

Amber (Succinite (Resinite)) — fossil

Amber

Succinite (Resinite)

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

Amber

Succinite (a common variety of fossilized resin)