Chert (Nodule)
SiO2 (Microcrystalline Quartz)
Category
Browse sedimentary rock (technically chert, a microcrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Nodule)
SiO2 (Microcrystalline Quartz)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Kambaba Jasper (Crocodile Jasper)
Stromatolite (Fossilized Algae within Microcrystalline Quartz), SiO2
Yellow Chert (Yellow Jasper)
Silicon dioxide (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Geode (Chert or Quartz Nodule)
Silicon Dioxide (SiO2)
Jasper-Quartz Conglomerate / Chert
Siliceous Sedimentary Rock (SiO2)
Banded Iron Formation
Banded Iron Formation (BIF)
Chert (Pebble)
Chert (Microcrystalline Quartz, SiO2)
Chert (Green Jasperiod)
Chert (Microcrystalline Quartz, SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Chalcedony)
Microcrystalline quartz (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Iron-Stained)
Microcrystalline Silica (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Quartz Geode in Chert/Limestone Matrix
Silicon Dioxide (SiO2) within Sedimentary Host Rock
Ocean Jasper
Spherulitic Chalcedony (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Granite (specifically the Ubatuba variety)
Phaneritic Igneous Rock (Granodiorite/Monzogranite)
Common Opal / Chert
Hydrated silica (SiO2·nH2O) or Microcrystalline Quartz (SiO2)
Crazy Lace Agate
Silicon Dioxide (SiO2) with iron and aluminum inclusions
Wood Jasper
Siliceous sedimentary rock (variety of Chert/Chalcedony)
Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Tree Agate
Silicon Dioxide (SiO2) with Chlorite/Manganese inclusions
Bumblebee Jasper
Calcite-bearing Volcanic Tuff containing Sulfur and Arsenic (Orpiment/Realgar)
Chert (Yellow Jasper)
Cryptocrystalline Silicon Dioxide (SiO2)
River Jasper (Chert/Chalcedony mix)
Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions
Druzy Quartz on Agate/Chert
Silicon Dioxide (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Banded Iron Formation (BIF)
Banded Iron Formation
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (specifically Gray/Tan Chert Node)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Red Jasper (Chert)
Silicon Dioxide (SiO2)