Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Category
Browse anthropogenic sedimentary style organic solid specimens identified by the Rock Identifier community.
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (varietal: Flint/Jasper mix)
Hydrous Silica (SiO2)
Chert / Flint Nodules
Chert (Cryptocrystalline variety of Quartz, SiO2)
Chert (concretionary/nodular variant)
Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions
Chert (Yellow Jasper/Agatized Chert)
Microcrystalline Quartz (SiO2)
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (variations include Flint)
Silicon Dioxide (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Carnelian/Jasper variety)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in sedimentary/volcanic host
Chert (often called Flint)
Silicon Dioxide (SiO2)
Chert (Field Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Green Chert
Silicon Dioxide (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (often called Flint)
Chert (Microcrystalline or cryptocrystalline Silica, SiO2)
Chert (Flint Nodules)
Chert (Silicon Dioxide, SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert (Chert Nodule in Limestone)
Microcrystalline Quartz (SiO2)
Chert (specifically a flint nodule component)
Microcrystalline quartz (SiO2)
Chert / Flint
Chert (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified wood (primarily SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert Concretion with Iron Oxide Staining
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (and Limestone)
Silicon Dioxide (SiO2) in Calcium Carbonate (CaCO3)
Picture Jasper
SiO2
Chalcedony
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Fossiliferous Chert
Silicon Dioxide (SiO2) with fossil inclusions
Amber
Succinite (a fossilized organic resin)
Chert Nodules in Limestone
Cryptocrystalline Quartz (SiO2) within Calcium Carbonate (CaCO3)