Chert (Flint)
Silicon Dioxide (SiO2)
Category
Browse sedimentary (cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Flint)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (Flint Nodules)
Silicon Dioxide (SiO2)
Chert (specifically Red Chert / Jasper nodule)
Silicon dioxide (SiO2)
Chert (White/Gray variety)
Chert (SiO2)
Chert (variations include Flint/Jasper)
Chert (SiO2)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Chert (Yellow Jasper variant)
Silicon Dioxide (SiO2)
Red Jasper (possibly Brecciated)
Jasper (Silicon Dioxide, SiO2)
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (often referred to as Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)
Agate (Geode nodule fragment)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Chert / Flint Nodules
Chert (Cryptocrystalline variety of Quartz, SiO2)
Chert (Flint/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert Pebble Map
Microcrystalline Quartz (SiO2)
Chert (Holey Stone)
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline quartz (SiO2)
Chert (with Limestone matrix)
Microcrystalline Quartz (SiO2)
Chert (or Flint)
Mocrocrystalline Quartz (SiO2)
Chert (with Liesegang Banding)
Microcrystalline quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Botryoidal Chalcedony (Agate/Desert Rose Chalcedony)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Chert (specifically Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Chert (Flint Nodules)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Black Chert
Chert (microcrystalline quartz)
Blue Chalcedony
Silicon Dioxide (SiO2)
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
Banded Chert (Ironstone/Jasper)
Cryptocrystalline Quartz (SiO2) with Iron Oxides
Jasper (specifically variegated or swamp jasper beads)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (often called Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Lake Superior Agate
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Bloodstone Jasper (Heliotrope)
SiO2 (Silicon Dioxide) - Cryptocrystalline Quartz
Yellow Jasper
Cryptocrystalline quartz (SiO2) with iron inclusions
Chert (Honey Chert / Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert / Flint
Cryptocrystalline Quartz (Silicon Dioxide, SiO2)
Chert (White Chert/Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Yellow Jasper
Cryptocrystalline Quartz (SiO2) with iron inclusions