Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse anthropogenic (man made material mimicking sedimentary rock) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Jasper)
Silicon dioxide (SiO2)
Chert Pebble
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Quartzite
Quartzite (chiefly SiO2)
Jasper
Silicon dioxide (SiO2) with impurities
Chert (Nodule)
Cryptocrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Chert Breccia
Brecciated Chert (SiO2)
Chert (Commonly known as Flint or River Pebble)
Microcrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (SiO2)
Chert (Arrowhead Artifact)
Chert (SiO2)
Jasper
Silicon dioxide (SiO2) with impurities
Petrified Wood
Silicified Wood (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2) with Iron Oxide inclusions
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Chert Nodule)
Microcrystalline quartz (SiO2)
Siltstone
Siltstone
Chert (Brown Variety)
Microcrystalline quartz (SiO2)
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Green Jasper
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Siltstone
Siltstone (primarily SiO2, Al2O3)
Tufa
Calcareous Tufa (CaCO3)
Chert (or Chalcedony)
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Anthracite Coal
Anthracite
Chert
Chert (SiO2)
Banded Flint (Chert)
Silicon Dioxide (SiO2)
Chert Nodule
Chert (SiO2)
Chert
Microcrystalline silica (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon dioxide (SiO2) with iron inclusions
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Polished Jasper (Mushroom Carving)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Banded Iron Formation (BIF)
Banded Iron Formation (Magnetite-Hematite-Chert)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)