Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (fossilized organic remains) specimens identified by the Rock Identifier community.
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Commonly known as Flint or Jasper when pigmented)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline quartz (SiO2)
Chert (Tan/Brown variety)
Chert (Microcrystalline Quartz, SiO2)
Chert (Cherty Limestone or Flint)
Microcrystalline Silica (SiO2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodular or Massive Variety)
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert with Quartz/Calcite Vein
Microcrystalline Silica (SiO2)
Chert (variations include Flint/Jasper)
Cryptocrystalline Silicon Dioxide (SiO2)
Chert (Iron-stained)
Chert (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (varietal Flint or Jasper)
Microcrystalline Quartz (SiO2)
Chert Pebble
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (varieties include Flint and Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Black Chert/Flint)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Silicon Dioxide (SiO2)
Petrified Wood
Silicon Dioxide (SiO2) permineralized organic matter
Amber
Succinite (C10H16O)
Fossilized Shark Tooth (Fragment)
Elasmobranchii gen. indet.
Chert (Jasper-bearing)
Chert (Silicon Dioxide, SiO2)
Fossilized Shark Tooth (Megalodon or Carcharocles fragment)
Elasmobranchii (Fossilized tooth root / crown section)
Fossil Shell
Invertebrate fossil (Mollusca)
Fossilized Horn Coral
Rugosa (Tetracoralla)
Chert (with Quartz veins)
Chert (Microcrystalline Silicon Dioxide, SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Fossilized Brachiopod
Phylum Brachiopoda (replaced by Calcite/CaCO3)
Chert (specifically Flint or Dark Chert)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (specifically Pink/Tan Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Arrowhead/Artifact Fragment)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Fossilized Coral
Rugose Coral / Hexagonaria (Fossilized calcium carbonate)