Chert (containing a small fossil)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (secondary classification: cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert (containing a small fossil)
Microcrystalline Quartz (SiO2)
Flint Nodule
Microcrystalline Quartz (SiO2)
Chert (Brown Variety)
Microcrystalline quartz (SiO2)
Chert (Mudstone)
Microcrystalline Quartz (SiO2)
Chert (specifically Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (Chert Nodule)
Microcrystalline quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Quartz Pebble (Chert/Chalcedony)
Silicon Dioxide (SiO2)
Chert (Black Chert/Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (often called Flint in archaeological contexts)
Silicon Dioxide (SiO2)
Yellow Chert or Jasper
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (often called Flint)
Chert (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2)
Chert (Flint variety)
Silicon Dioxide (SiO2)
Chert (White Chert/Flint)
Chert (SiO2)
Chert (Flint variety)
Chert (SiO2)
Chert (Red/Pink Jasper subtype)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert / Flint
Silicon Dioxide (SiO₂)
Chalcedony (specifically Agate or Carnelian variety)
Cryptocrystalline Silica (SiO2)
Chert (Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)
Gold
Native Gold (Au)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Chert (specifically Tan/Yellow Chert)
Silicon Dioxide (SiO2)
Banded Agate (Tumbled)
Agate (Variety of Chalcedony/Quartz), SiO2
Chert (Dark Variety / Flint)
Silicon Dioxide (SiO2)
Chert (and its variety Flint)
Silicon dioxide (SiO2) / Microcrystalline quartz
Petrified Wood
Silicified Wood (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (variations include Flint/Novaculite)
Chert (formula: SiO2)
Chert (varietal: Flint or River Pebble)
Silicon Dioxide (SiO₂)
Petrified Wood
Silicified Wood (SiO2)