Chert
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary rock (cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert
Microcrystalline Quartz (SiO2)
Brown Chert
Microcrystalline Quartz (SiO2)
Chert (variant Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert Nodules
Microcrystalline Quartz (SiO2)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (variations include Flint/Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Chert / Flint Variety)
Microcrystalline / Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert Nodule
Microcrystalline Silica (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Common Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (and Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert
Microcrystalline Quartz (SiO2)
Jasper River Pebble
Silicon Dioxide (SiO2)
Chert Pebble (Jasper/Flint variant)
Microcrystalline Quartz (SiO2)
Chalcedony (Common Agate pebble)
Silicon Dioxide (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Field-collected variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Smooth River Pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
River Stone (likely Quartzite or Chert)
Recrystallized Silicon Dioxide (SiO2)
Chert (Tripolitic Chert / Flint Nodules)
Microcrystalline Quartz (SiO2)
Banded Black Onyx (Chalcedony)
Silicon Dioxide (SiO₂)
Banded Chert (Agate)
Silicon Dioxide (SiO2)
Ocean Jasper
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Chert (and Chert Flake)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2)
Dyed Agate Geode
Silicon Dioxide (SiO2) with artificial pigment
Chert (specifically Gray/Blue-Gray Chert)
Chert (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert Arrowhead
Microcrystalline Quartz (SiO2)
Quartz (Pebble)
Quartz (SiO₂)
Chert (Flint)
Silicon dioxide (SiO2)