Rock Identifier

Category

Organic (Non Geological)

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

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

Amber

Succinicum (Organic Gemstone - Resinite)

Shungite (Noble/Type II) (Non-crystalline carbon (Fullerene-bearing carbonaceous rock)) — metamorphic

Shungite (Noble/Type II)

Non-crystalline carbon (Fullerene-bearing carbonaceous rock)

Amber with inclusion (Amber (Fossilized Tree Resin)) — mineral

Amber with inclusion

Amber (Fossilized Tree Resin)

Zebra Stone (Banded Chert or Limestone) (Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) inclusions) — sedimentary

Zebra Stone (Banded Chert or Limestone)

Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) inclusions

Shungite (Shungite (Non-crystalline carbon, C)) — mineral

Shungite

Shungite (Non-crystalline carbon, C)

Anthracite Coal (Anthracite) — sedimentary

Anthracite Coal

Anthracite

Carved amethyst fluorite (likely) (Amethyst, purple variety of quartz (SiO₂), possibly with fluorite (CaF₂)) — mineral

Carved amethyst fluorite (likely)

Amethyst, purple variety of quartz (SiO₂), possibly with fluorite (CaF₂)

Coquina or Fossiliferous Limestone (Fossiliferous Calcarenite (CaCO3)) — sedimentary

Coquina or Fossiliferous Limestone

Fossiliferous Calcarenite (CaCO3)

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

Amber

Succinicum (Organic polymer, largely C10H16O)

Organic Mineral

Bituminous Coal (Organic sedimentary rock (humic coal)) — sedimentary

Bituminous Coal

Organic sedimentary rock (humic coal)

Amber (Copal) (Succinite (fossilized resin)) — mineral

Amber (Copal)

Succinite (fossilized resin)

Amber (Succinite (C10H16O)) — mineral

Amber

Succinite (C10H16O)

Amber (Succinite (C10H16O)) — mineral

Amber

Succinite (C10H16O)

Amber (Fossilized tree resin) — gemstone

Amber

Fossilized tree resin

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

Amber

Fossilized tree resin (Amorphous organic polymer)

Unidentified metallic mineral or metal-like specimen (Indeterminate from image; possibly galena (PbS) or a metallic sulfide) — mineral

Unidentified metallic mineral or metal-like specimen

Indeterminate from image; possibly galena (PbS) or a metallic sulfide

Chert (specifically Red Chert or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Red Chert or Jasper)

Microcrystalline Quartz (SiO2)

Note on Image Identification: Textile (N/A (Anthropogenic material)) — not a rock

Note on Image Identification: Textile

N/A (Anthropogenic material)

Shungite (Shungite (carbon-rich Precambrian mineraloid)) — mineral

Shungite

Shungite (carbon-rich Precambrian mineraloid)

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

Ambergris

Ambergris (Coprolite-adjacent/Organic secretion)

Chert (Pebble) (Microcrystalline to Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Pebble)

Microcrystalline to Cryptocrystalline Quartz (SiO2)

Amber (Succinite (Resinite), C10-H16-O) — mineral

Amber

Succinite (Resinite), C10-H16-O

Weathered River Rock (likely Chert or Basalt with algae) (Silicon dioxide (SiO2) with organic biofilm) — sedimentary

Weathered River Rock (likely Chert or Basalt with algae)

Silicon dioxide (SiO2) with organic biofilm

Amber (Succinicum (Formula: C10H16O)) — Mineraloid

Amber

Succinicum (Formula: C10H16O)

Amber (Fossilized Tree Resin (Succinate)) — mineral

Amber

Fossilized Tree Resin (Succinate)

Fossiliferous Rock (likely Dinosaur Fossil in Matrix) (Permineralized Vertebrate Fossil (Calcium Carbonate/Silica replaced bone material)) — sedimentary

Fossiliferous Rock (likely Dinosaur Fossil in Matrix)

Permineralized Vertebrate Fossil (Calcium Carbonate/Silica replaced bone material)

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

Anthracite Coal

Anthracite (Carbon based fossil fuel)

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

Amber

Fossilized Tree Resin (Organic Polymer)

Amber (Succinite (Fossilized Tree Resin)) — fossil

Amber

Succinite (Fossilized Tree Resin)

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

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

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)

Green Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Green Chert

Microcrystalline Quartz (SiO2)

Amber (Fossilized Tree Resin) — gemstone

Amber

Fossilized Tree Resin

Amber (Succinite (approximate formula C10H16O)) — mineraloid

Amber

Succinite (approximate formula C10H16O)

Carved yellow stone butterfly (Undetermined; possibly carved soapstone (talc-rich rock) or another soft ornamental stone) — mineral

Carved yellow stone butterfly

Undetermined; possibly carved soapstone (talc-rich rock) or another soft ornamental stone

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

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

Amber

Succinite (specifically for Baltic Amber), Formula: C10H16O

Chert (River Cobble) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (River Cobble)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Anthracite Coal (Anthracite) — metamorphic

Anthracite Coal

Anthracite

Amber (Succinite (fossilized resin)) — mineral

Amber

Succinite (fossilized resin)

Amber (Fossilized Tree Resin) — gemstone

Amber

Fossilized Tree Resin

Amber (Succinurite (C10H16O)) — mineraloid

Amber

Succinurite (C10H16O)