Chert (likely flint)
Microcrystalline quartz, SiO₂
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Chert (likely flint)
Microcrystalline quartz, SiO₂
Chalcedony (Jasper/Agate mix)
Quartz (microcrystalline SiO2)
Chert Pebble (Jasper or Agate variety)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline quartz (SiO2)
Chert Nodule
Microcrystalline Quartz (SiO2)
Banded Agate (Dyed / Polished)
Microcrystalline Quartz (SiO2)
Chert (with Iron Oxide / Jasperoid Layering)
Microcrystalline Quartz (SiO2)
Banded Chert / Flint
Microcrystalline Quartz (SiO2)
Chert Nodule
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert / Chalcedony Blend
Microcrystalline Quartz (SiO2)
Chert (Common Opal/Chalcedony nodule)
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Chert (Concretion or Nodular Variety)
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Flint
Microcrystalline quartz (SiO2)
Flint
SiO2 (Microcrystalline Quartz)
Chert Arrowhead
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline quartz (SiO2)
Chert Nodule
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variant)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert Pebble
Microcrystalline Quartz (SiO2)
Chert (Basanite / Jasperoid)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Yellow Chert
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Geode (Unopened)
Siliceous Geode (SiO2)
Chert Breccia
Brecciated Chert (Microcrystalline Silica)
Tumbled yellow jasper or chert
Microcrystalline quartz (SiO₂), likely iron-oxide-stained chalcedony/chert
Chalcedony (Tumbled Agate/Jasper)
Silicon dioxide (SiO2)
Chert with Quartz Vein
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)