Chert (specifically Red Chert/Jasper variety)
Silicon Dioxide (SiO2)
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Chert (specifically Red Chert/Jasper variety)
Silicon Dioxide (SiO2)
Moqui Marble
Ironstone Concretion (Goethite/Hematite)
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Chalk (Limestone variant)
Calcium Carbonate (CaCO3)
Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Yellow Jasper
Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)
Yellow Jasper
Silicon Dioxide with Iron inclusions (SiO2)
Jasper (specifically Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Yellow Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with iron oxide (Limonite/Goethite) inclusions
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Jasper-Agate Conglomerate (Potentially Puddingstone)
Jasper-cemented Silicate Aggregate (SiO2)
Mookaite Jasper
Radiolarite (Silicon Dioxide, SiO2)
Orthoceras Fossil Limestone
Orthoceras (extinct Cephalopod fossil) in Matrix
Chert (Yellow/Tan Variety)
Chert (SiO2)
Jasper
Silicon Dioxide (SiO2) with impurities
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite)
Jasper
Silicon Dioxide (SiO2) - Opaque Chalcedony
Oolitic Limestone
Oolite (Sedimentary rock composed of CaCO3)
Ironstone Pebble
Ferruginous sedimentary rock (Fe2O3 / FeO(OH) mixed with SiO2)
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Limestone
Calcium Carbonate (CaCO3)
Picture Jasper
Silicified sedimentary or volcanic rock (primarily SiO2)
Stromatolite
Biogenic Sedimentary Rock (composed predominantly of CaCO3)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite)
Red Jasper
Jasper (Silica/Silicon Dioxide, SiO2 plus iron inclusions)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Biggs Jasper (Picture Jasper)
Silicon Dioxide (SiO2) - Opaque Silicified Volcanic Ash
Jasper with Hematite Inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Jasper
Jasper / Silicon Dioxide (SiO₂)
Blue Lace Agate
Agate (Variety of Chalcedony, SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Jasper (specifically Yellow or Picture Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)