Chert (Flint)
Chert (̑SiO2)
sedimentary
Category
Organic (Non Geological)
Browse organic (non geological) specimens identified by the Rock Identifier community.
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Chert (often called Flint in various colors)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Arrowhead Artifact)
Chert (SiO2)
sedimentary
Chert (Flint)
Chert (SiO2)
sedimentary
Petrified Wood
Silicified Wood (mainly Quartz/Chalcedony, SiO2)
fossil
Chert Nodules or Concretion
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (often called Flint)
Microcrystalline quartz (SiO2)
sedimentary
Amber
Succinite (fossilized tree resin)
mineral
Amber
Succinit (C10H16O)
mineraloid
Tree Agate (also known as Dendritic Agate)
Silicon Dioxide with inclusions (SiO2 + Mn/Fe)
mineral
Amber
Succinrite (Organic Gemstone)
mineraloid
Amber
Succinite (approximate formula C10H16O)
mineral
Petrified Wood
Silicified Wood (Permineralized wood)
fossil
Amber
Succinite (Fossilized Resin)
mineral
Chert (Jasper/Chalcedony Pebble)
Silicon Dioxide (SiO2)
sedimentary
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert / Chalcedony
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint/Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper/Flint variant)
Microcrystalline Quartz (SiO2)
sedimentary
Chert / Greenstone
Silicon Dioxide (SiO2) with impurities
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (and Flint)
Chert (SiO2)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (Tan/Brown)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Petrified Wood
Silicified Wood (primarily Chalcedony or Quartz, SiO2)
sedimentary
Picture Jasper
SiO2
mineral
Chert
Chert (SiO₂)
sedimentary
Chert (Field Stone)
Microcrystalline Quartz (SiO2)
sedimentary
Fossil Shark Tooth
Lamniformes (order) - likely Cretalamna or Carcharias species
fossil
Chert (Flint)
Chert (SiO2)
sedimentary
Chert / Jasper
Silicon Dioxide (SiO2)
sedimentary
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (varieties include Flint and Jasper)
Silicon dioxide (SiO2)
sedimentary