Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary rock (specifically a chemical sedimentary rock, or a chert if considered purely mineral aggregate) specimens identified by the Rock Identifier community.
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
River Pebble (Basalt / Greywacke)
Stream-rounded fine-grained rock (Basalt / Metagreywacke)
Chert (and/or River Pebble)
Microcrystalline quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert Nodules or Concretion
Cryptocrystalline Quartz (SiO2)
Chert (specifically a Worked Flint/Knapped Flake)
Chert / Flint (Microcrystalline Quartz, SiO2)
Chert (or Flint)
SiO2 (predominantly microcrystalline quartz)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (River Pebble)
Cryptocrystalline Quartz (SiO2)
Chert (with Liesegang Banding)
Microcrystalline quartz (SiO2)
Chert (Nodular)
Microcrystalline Silica (SiO2)
Quartz / Chert
Silicon Dioxide (SiO2)
Chert Pebble with Quartz Vein
Microcrystalline Quartz (SiO2)
Chert (Jasper-bearing)
Chert (Silicon Dioxide, SiO2)
Chert Pebble
Microcrystalline Quartz (SiO2)
Chert (Weathered)
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Field Stone)
Microcrystalline Quartz (SiO2)
Brecciated Chert
Sedimentary Chert (SiO2) with Calc-Silicate mineralization
Chert Pebble
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variant)
Microcrystalline quartz (SiO2)
Weathered quartz-rich river stone
Chert or silicified limestone/quartzite; exact identification requires testing
Chert (Field Stone)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Yellow Chert
Microcrystalline Quartz (SiO2)
Chert (Pebble)
Microcrystalline Quartz (SiO2)
Sandstone Beach Pebble
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide coating)
Chert (specifically Flint or Gray Chert)
Silicon Dioxide (SiO2)
Chert (often called Flint or Jasper depending on color)
Chert (SiO2 - Microcrystalline or Cryptocrystalline Quartz)
Chert (Nodule)
Silicon Dioxide (SiO2)
Bauxite (Iron-stained Chert / Ironstone Aggregate)
Hydrous aluminum oxide mixture (mainly Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Goethite α-Fe3+O(OH))
Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
Chert (specifically Jasper or Flint)
Cryptocrystalline Quartz (SiO2)
Chert (River Pebble)
Cryptocrystalline Quartz (SiO2)
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
Chert / Jasper
Cryptocrystalline Silica (SiO2)
Arkosic Sandstone
Arkose
Chert (specifically Flint or Common Chert)
Microcrystalline Quartz (SiO2)
Red Jasper Pebble
Microcrystalline Quartz (SiO2)
Chert (Siliceous Mudstone variant)
Microcrystalline quartz (SiO2)