Chert Pebble
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (microcrystalline silicate) specimens identified by the Rock Identifier community.
Chert Pebble
Microcrystalline Quartz (SiO2)
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
Chert (and Jasper blend)
Chert (Microcrystalline Quartz, SiO2)
Chert (Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Yellow Jasper (Chert variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (varieties include Flint and Jasper)
Silicon dioxide (SiO2)
Chert (Flint)
Chert (̑SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Agate and Chalcedony Beads
Cryptocrystalline Quartz (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Chalcedony
Cryptocrystalline Quartz (SiO2)
Carnelian (Red Agate)
Silicon dioxide (SiO2) with iron oxide impurities
Fancy Jasper
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
Yellow Agate
Agate (Varietal form of Chalcedony/Quartz, SiO2)
Orbicular Jasper
Silicon Dioxide (SiO2)
River Pebble (Quartzite or Chert)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Carnelian
Carnelian (Chert/Chalcedony variety of Quartz, SiO2)
Yellow Chalcedony (likely Carnelian or Yellow Agate)
Silicon Dioxide (SiO2)
Chert (varietal Flint)
Silicon Dioxide (SiO2)
Blue Chalcedony
Chalcedony (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert / Flint
Silicon Dioxide (SiO2)
Chert (Nodule)
Chert (composition: SiO2)
Chert (often called Jasper or Flint in this color variety)
Silicon Dioxide (SiO2)
Chert / Flint (Artifact)
Microcrystalline quartz (SiO2)
Chert Concretion
Chert (Microcrystalline Quartz, SiO2)
Chert (Field Stone)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Green Jasper
Microcrystalline Quartz (Chalcedony), SiO2
Chert
Chert (Microcrystalline Quartz, SiO2)
Red Jasper
Jasper (Microcrystalline Quartz, SiO2)
Chert (Pebble)
Chert (Microcrystalline Quartz, SiO2)
Chert (Pebble)
Chert (Microcrystalline Quartz, SiO2)
Chert (Nodular flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (SiO2) microcrystalline quartz
Jasper Agate
Silicon Dioxide (SiO2) - Chalcedony variety
Chalcedony (specifically Agate and Carnelian variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz