Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (Jasper)
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert Concretion
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (Flint with Chalk/Calcite)
Sedimentary cryptocrystalline quartz (SiO2)
Flint / Chert Nodule
Sedimentary cryptocrystalline quartz (SiO2)
Chert (Flint)
Sedimentary Cryptocrystalline Quartz (SiO2)
Flint
Sedimentary cryptocrystalline quartz (SiO2)
Chert / Flint (Brecciated or Fossiliferous Limestone with Silicification)
Sedimentary cryptocrystalline quartz (SiO2)
Flint
Sedimentary cryptocrystalline quartz (SiO2)
Chert (often called Flint when dark)
Sedimentary cryptocrystalline quartz (SiO2)
Chert / Jasper
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (Jasper)
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (v. Flint)
Sedimentary Cryptocrystalline Quartz (SiO2)
Banded Agate
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (variably Oolitic or Fossiliferous)
Sedimentary Cryptocrystalline Quartz (SiO2)
Banded Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (River Siltstone/Quartzite)
Sedimentary Cryptocrystalline Quartz (SiO2)
Banded Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (Flint Nodules)
Sedimentary cryptocrystalline quartz (SiO2)
Chert (Light Variety)
Sedimentary cryptocrystalline quartz (SiO2)
Chert (variations include Flint)
Sedimentary cryptocrystalline quartz (SiO2)
Yellow Chert
Sedimentary cryptocrystalline quartz (SiO2)
Chert (and Fossilized Brachiopod shell)
Sedimentary Cryptocrystalline Quartz (SiO2)
Flint nodule
Sedimentary cryptocrystalline quartz (SiO2)
Flint Pebble
Sedimentary cryptocrystalline quartz (SiO2)
Chert
Sedimentary cryptocrystalline quartz (SiO2)
Flint
Sedimentary cryptocrystalline quartz (SiO2)
Flint
Sedimentary cryptocrystalline quartz (SiO2)
Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (specifically Yellow Jasper)
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert Nodule (with Flint core)
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (specifically a stream-worn Chert Nodule)
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (Limestone-hosted Pebble)
Sedimentary Cryptocrystalline Quartz (SiO2)
Jasper River Pebble
Jasper (Silicon Dioxide, SiO2)
Jasper (Tumbled)
Silicon Dioxide (SiO₂)
Fossiliferous Flint or Chert with Bryozoan Fossils
Sedimentary cryptocrystalline quartz (SiO2) with fossil inclusions
Chert (or Limestone)
Sedimentary Cryptocrystalline Quartz (SiO2) or Calcium Carbonate (CaCO3)
Chert
Microcrystalline or cryptocrystalline quartz
Chert / Flint Arrowheads
Cryptocrystalline Quartz (SiO2)
Chalcedony Bangle
SiO2
Chert / Quartzite
Silicon Dioxide (SiO2)
Carnelian
Carnelian (SiO2)