Chert (Flint) with Chalk Cortex
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary rock (technically chert, a microcrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Flint) with Chalk Cortex
Microcrystalline Quartz (SiO2)
Chert Arrowhead
Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Silica (SiO2)
Chert (White Chert/Flint)
Chert (Cryptocrystalline Silica or Microcrystalline Quartz, SiO2)
Mookaite Jasper
Silicified Radiolarite (SiO2)
Red Jasper (Chert)
Silicon Dioxide (SiO2)
Chert (Arrowhead Point)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Jasper/Flint variation)
Chert (SiO2)
Chert (River Pebble with Liesegang Rings)
Microcrystalline Silicon Dioxide (SiO2)
Chert (Flint variety)
Chert (Microcrystalline or Cryptocrystalline Quartz), SiO2
Riverstone Jasper (Chert variant)
Silicon Dioxide (SiO2) with impurities
Yellow Jasper (Chert)
Silicon Dioxide (SiO2)
Banded Iron Formation (Chert/Hematite)
Banded Iron Formation (BIF)
Oolitic Chert
Silicon Dioxide (SiO2) with oolitic texture
Chert (often associated with Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or River Stone)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (including Flint and Jasper variants)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Yellow/Tan variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline to cryptocrystalline quartz (SiO2)
Chert (containing Calcite or Quartz inclusions)
Silicon Dioxide (SiO2) with varying mineral impurities
River Sandstone (Lithic Arenite)
Lithic Sandstone (SiO2 dominated with lithic fragments)
Yellow Chert (Chert / Jasper)
Silicon Dioxide (SiO2 / Microcrystalline Quartz)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Chalky/Gray Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline silica (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (Jasper/Quartzite variety)
Microcrystalline Silica (SiO2)
Chert (often called Flint when dark)
Sedimentary cryptocrystalline quartz (SiO2)
Chert (Nodule)
Microcrystalline Silica (SiO2)
River Pebble (Chert/Quartzite)
Microcrystalline Quartz (SiO2)
Chert (Field Stone)
Chert (Silicon Dioxide, SiO2)
Chert (Nodule)
Chert (Silicon Dioxide, SiO2)