Banded Chert
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (Flint) with Glauconite
Microcrystalline Quartz (SiO2)
Chert (containing Fossil Inclusions)
Microcrystalline Quartz (SiO2)
Chert (and Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Quartz
Silicon dioxide (SiO2)
Chalcedony
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Chert Nodule in Limestone)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (varieties include Flint and Jasper)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Chert (Arrowhead Preform or Point)
Chert (Microcrystalline Quartz, SiO2)
Petrified Wood
Silicified wood (Quartz, Chalcedony, or Opal)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (variations include Flint or Jasper)
Chert (chemical sedimentary rock), Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Yellow Chert (Gold-toned Jasper)
Silicon Dioxide (SiO2)
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (Flint variety)
Silicon Dioxide (SiO2)
Chert (Grey/Black variety)
Chert (Silicon Dioxide, SiO2)
Chert / Flint
Silicon Dioxide (SiO2)
Petrified Wood
Silicified wood (Quartz variant, SiO2)
Chert (specifically Red Chert / Flint)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (with Quartz Veining)
Chert (formula: SiO2)
Chert (Brecciated Chert)
Silicon Dioxide (SiO2)
Banded Agate (Pink Chalcedony)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Chalcedony/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Banded Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Mixed Tumbled Stones (Mostly Agate, Jasper, and Quartz)
Silicon Dioxide (SiO2)
Chert (containing Iron Oxide)
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper (Green Jasper/Chert)
Silicon Dioxide (SiO2)
Chert (Quartz Variety)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (often called Flint)
Chert (Microcrystalline Silicon Dioxide, SiO2)
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (predominantly SiO₂ - silicon dioxide)
Chert / Flint (with Iron Staining)
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2) with iron oxide and clay inclusions