Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2) / Microcrystalline Quartz
Category
Browse organic (non geological) specimens identified by the Rock Identifier community.
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2) / Microcrystalline Quartz
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Chert (Flint Nodules)
Cryptocrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Jasper or Agate (Chalcedony)
Silicon Dioxide (SiO2) with impurities
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (variations include Flint/Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Jasper/Agate Peat)
Microcrystalline Quartz (SiO2)
Chert (including Flint and Jasper variants)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (with small quartz vug)
Chert (SiO2)
Chert (with potential fossil inclusion)
Microcrystalline Quartz (SiO2)
Chert (or Chalcedony)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Mocha Stone (Dendritic Agate)
Silicon Dioxide (SiO2) with Manganese/Iron inclusions
Petrified Wood
Silicified Wood (SiO2)
Chert (often called Jasper or River Siltstone)
Microcrystalline Quartz (SiO2)
Banded Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (Black Flint)
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Micro-crystalline Quartz Pebble (Chert)
Silicon dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Banded Chert
Silicon Dioxide (SiO2)
Chert (often called Flint)
Chert (Cryptocrystalline Silica, SiO2)
Dinosaur Skull Fossil (Velociraptor Replica)
Velociraptor mongoliensis fossil specimen in sedimentary matrix
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert Nodule (with Chalcedony)
Chert (SiO2) / Cryptocrystalline Quartz
Chert (Iron-stained or Dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Agate)
Silicon Dioxide (SiO2)
Limestone
Sedimentary Rock (Primarily CaCO3)
Chert (Flint pebble)
Microcrystalline Quartz (SiO2)
Chert (Jasper-rich)
Silicon Dioxide (SiO2)