Rock Identifier

Category

Organic (Non Geological)

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

Black Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Black Chert (Flint)

Silicon Dioxide (SiO2)

Chert (Flint Nodules) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint Nodules)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (Cherty Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Cherty Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Field Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Field Flint)

Microcrystalline Quartz (SiO2)

Chert (often referred to as Flint) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (often referred to as Flint)

Chert (Microcrystalline Quartz, SiO2)

Chert (Yellow Jasper/Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Yellow Jasper/Flint)

Silicon Dioxide (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Chert (Flint Nodules) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Flint Nodules)

Chert (Silicon Dioxide, SiO2)

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

Chert (Nodule)

Silicon Dioxide (SiO2)

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

Chert (Jasper variation)

Microcrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Chert (Iron-stained) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline quartz (SiO2)

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

Chert (Chert Nodule)

Silicon Dioxide (SiO2)

Aragonite (Aragonite (CaCO3)) — mineral

Aragonite

Aragonite (CaCO3)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Moss Agate (Agate (Silicon Dioxide, SiO2) with dendritic inclusions) — sedimentary

Moss Agate

Agate (Silicon Dioxide, SiO2) with dendritic inclusions

Chert (Flint Nodules) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint Nodules)

Microcrystalline Quartz (SiO2)

Fossilized Shark Tooth (Basal Bone) (Otodus sp. (Mineralized Hydroxyapatite)) — sedimentary

Fossilized Shark Tooth (Basal Bone)

Otodus sp. (Mineralized Hydroxyapatite)

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

Chert (Nodule)

Silicon Dioxide (SiO2)

Chert / Flint (with Crinoid Stem Molds) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert / Flint (with Crinoid Stem Molds)

Microcrystalline Quartz (SiO2)

Moss Agate (Chalcedony (SiO2) with inclusions of manganese or iron oxides) — mineral

Moss Agate

Chalcedony (SiO2) with inclusions of manganese or iron oxides

Amber (Succinite (fossilized resin, C10H16O)) — mineral

Amber

Succinite (fossilized resin, C10H16O)

Amber (Succinite (fossilized tree resin)) — Organic Mineraloid

Amber

Succinite (fossilized tree resin)

Organic Mineraloid

Limestone (Calcium carbonate (CaCO3)) — sedimentary

Limestone

Calcium carbonate (CaCO3)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Petrified Wood (Silicified wood (primarily SiO2)) — fossil

Petrified Wood

Silicified wood (primarily SiO2)

Banded Chert (Silicon dioxide (SiO2) with impurities) — sedimentary

Banded Chert

Silicon dioxide (SiO2) with impurities

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

Chert (Quartz)

Silicon dioxide (SiO2)

Vuggy Limestone (Calcium Carbonate (CaCO3) with Quartz/Calcite inclusions) — sedimentary

Vuggy Limestone

Calcium Carbonate (CaCO3) with Quartz/Calcite inclusions

Chert (and Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (and Flint)

Silicon Dioxide (SiO2)

Chert (Arrowhead Fragment) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Arrowhead Fragment)

Silicon Dioxide (SiO2)

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

Chert (Jasper)

Silicon Dioxide (SiO2)

Chert (Arrowhead Shard) (Microcrystalline silica (SiO2)) — sedimentary

Chert (Arrowhead Shard)

Microcrystalline silica (SiO2)

Chert (Flint) (Chert (Cryptocrystalline Silicon Dioxide, SiO2)) — sedimentary

Chert (Flint)

Chert (Cryptocrystalline Silicon Dioxide, SiO2)

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

Chert (Nodule)

Silicon Dioxide (SiO2)

Quartzite with inclusions (Quartzite) — metamorphic

Quartzite with inclusions

Quartzite

Chert Arrowhead (Projectile Point) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead (Projectile Point)

Microcrystalline Quartz (SiO2)

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

Chert (Nodular Chert)

Silicon Dioxide (SiO2)

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

Chert (and/or Flint)

Microcrystalline Quartz (SiO2)

Chert (Field Pebble) (Microcrystalline / Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Field Pebble)

Microcrystalline / Cryptocrystalline Quartz (SiO2)

Chert (often called Flint or Jasper when red) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (often called Flint or Jasper when red)

Silicon Dioxide (SiO2) - Microcrystalline Quartz