Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
River Chalcedony / Agate
Chalcedony (Silicon Dioxide, SiO2)
Banded Chert
Silicon dioxide (SiO2) - Microcrystalline Quartz
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Quartz Vein in Host Rock
Quartz (SiO2) in Mafic or Sedimentary Matrix
Banded Agate
Cryptocrystalline Quartz (SiO2)
Chert (Yellow Jasper)
Cryptocrystalline Quartz (SiO2)
Chert Arrowhead
Cryptocrystalline Quartz (SiO2)
Red Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Petrified Wood
Silicified Wood (SiO2 permineralization)
Chert (Black Chert/Flint)
Silicon Dioxide (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Yellow Chert or Jasper
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Banded Jasper (Carnelian Jasper)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2)
Chert (Flint variety)
Silicon Dioxide (SiO2)
Chert (White Chert/Flint)
Chert (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Jasper (specifically Yellow/Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) - Microcrystalline Chalcedony
Chert (Flint)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Flint variety)
Chert (SiO2)
Chert (Nodule)
Chert (variety of microcrystalline quartz, SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Quartzite (Yellow/Orange variety)
Quartzite (primarily SiO2)
Agate Geode
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Botryoidal Quartz
Silicon Dioxide (SiO2)
Chalcedony
Chalcedony (SiO2)
Banded Chert
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)
Chalcedony (Agate/Carnelian pebbles)
Cryptocrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert
Silicon dioxide (SiO2) - Microcrystalline quartz
Agate
Cryptocrystalline Quartz (SiO2)
Chert (Limonite-stained)
Microcrystalline Quartz (SiO2) with iron oxides
Red Jasper
Silicon dioxide (SiO2) with iron oxide (Hematite) inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite or Iron Oxide inclusions
Chert (Jasper variation)
Silicon dioxide (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)