Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (secondary classification: cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Red/Brown Variety)
Microcrystalline quartz (SiO2)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
Chalcedony (Quartz)
Silicon Dioxide (SiO2)
Chert (often called Flint or River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Jasper (Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chalcedony Geode Fragment (Botryoidal)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Yellow Quartzite (River Pebble)
Quartzite (SiO2)
Chert (varietal: Jasper or Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (often called Flint for darker varieties)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
White Jade / White Chalcedony
Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon dioxide (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chalcedony Geode Part (Agate/Quartz)
Silicon Dioxide (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
Chalcedony
Silicon Dioxide (SiO2)
Chert (Flint Nodules)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Chert (specifically Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Chert (with Iron Staining)
Silicon Dioxide (SiO2 / Cryptocrystalline Quartz)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (specifically Gray/Tan Chert Node)
Microcrystalline Quartz (SiO2)
Chert
Channery Chert (Microcrystalline Quartz)
Shiva Lingam
Cryptocrystalline Quartz (Jasper) with Iron Oxide inclusions
Chert (Flint)
Silicon Dioxide (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2)