Chert (Common Opal variant)
Microcrystalline Quartz (SiO2)
Category
Browse mineral (cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Common Opal variant)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper/River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Commonly known as Flint or River Pebble)
Microcrystalline Quartz (SiO2)
Chert Pebble
Microcrystalline Quartz (SiO2)
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert Arrowhead
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Basanite / Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Novaculite Variety)
Microcrystalline Quartz (SiO2)
Chert (Yellow or Brown Jasper)
Microcrystalline Quartz (SiO2)
Chert Nodule
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Red Jasper (with Quartz Veins)
Jasper (var. chert, SiO₂)
Petrified Wood
Silicified Wood (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert Pebble Map
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (with Limestone matrix)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (or Flint)
Mocrocrystalline Quartz (SiO2)
Chert (with Liesegang Banding)
Microcrystalline quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (varietal: Jasper or Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (often called Flint for darker varieties)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Jasper/Flint variety)
Silicon dioxide (SiO2)
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite and Quartz inclusions
Chert (Flint Nodules)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Jasper
Jasper (Silica/Silicon Dioxide, SiO2)
Petrified Wood
Silicified Wood (primarily Quartz/Chalcedony, SiO2)
Green Agate
Silicon dioxide (SiO₂)
Chert (specifically a weathered Chert nodule or fragment)
Chert; Microcrystalline or Cryptocrystalline Quartz (SiO2)
River Stone (Chert/Siltstone)
Cryptocrystalline Quartz (SiO2) with trace impurities
Chert (or Flint)
Chert (microcrystalline or cryptocrystalline quartz, SiO2)
Chert (specifically Pink Chert or Jasperized Chert)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)