Yellow Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary rock (cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Yellow Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Yellow or River Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
Chert (Jasper variation)
Silicon dioxide (SiO2)
Banded Agate (Tumbled)
Agate (Variety of Chalcedony/Quartz), SiO2
Chert (Flint)
Chert (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chalcedony (Agate)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (primarily Quartz/SiO2)
Chert (Field Stone)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Jasper Chert Nodules
Silicon Dioxide (SiO2) with Hematite impurities
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Jasper-Quartz Conglomerate / Chert
Siliceous Sedimentary Rock (SiO2)
Chert (with Quartz Veining)
Microcrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline Quartz (SiO2)
Chert (specifically Flint or Gray Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint)
Chert (SiO2)
Chert (vuggy/nodular)
Microcrystalline Quartz (SiO2)
Chert (specifically Gray/Tan Bedded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Banded Chert
Silicon Dioxide (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert Pebble
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Chert / Flint)
Silicon dioxide (SiO2) - Microcrystalline quartz
Chert (River Cobble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chalcedony
Silicon Dioxide (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline quartz (SiO2)
Chert (and/or Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Septarian or Nodular variety)
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or cryptocrystalline Quartz (SiO2)