Chert (Iron-stained)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (microcrystalline silicate) specimens identified by the Rock Identifier community.
Chert (Iron-stained)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (White Chert / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Quartz Variety)
Microcrystalline Silicon Dioxide (SiO2)
Chert (specifically White Chert or Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Chert (specifically Flint or Dark Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert Breccia
Brecciated Microcrystalline Quartz (SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
River Agate (Chert/Chalcedony)
Cryptocrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Chert / Flint (River Pebble)
Cryptocrystalline Quartz (SiO2)
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
Chert (often called Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Chert (White Chert)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
Chert
Microcrystalline Silicon Dioxide (SiO2)
Chert (Nodule)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Pebble)
Microcrystalline to Cryptocrystalline Quartz (SiO2)
Chert (Quartz Variety)
Microcrystalline / Cryptocrystalline Quartz (SiO2)
Chert (Iron-rich variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Quartzite)
Microcrystalline Silicon Dioxide (SiO2)
Chert Breccia
Microcrystalline Quartz (SiO2) Breccia
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Chert (Common Variety)
Cryptocrystalline Quartz (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert
Microcrystalline Silicon Dioxide (SiO2)
Jasper Pebble
Silicon dioxide (SiO2) with impurities
Yellow Jasper
Silicon Dioxide (SiO2) with iron impurities
Pink Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Red Jasper
Silica (Silicon Dioxide), Formula: SiO2 with Iron impurities
Chert Pebble (Flint)
Microcrystalline/Cryptocrystalline Quartz (SiO2)
Chert (specifically Gray/Tan Bedded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Jasper
Silicon dioxide (Microcrystalline quartz, SiO2)
Tumbled Red Jasper
Quartz (Microcrystalline variety of chalcedony, SiO2)