Chert (Nodular)
Chert (Microcrystalline Quartz, SiO2)
Category
Browse sedimentary specimens identified by the Rock Identifier community.
Chert (Nodular)
Chert (Microcrystalline Quartz, SiO2)
Green Onyx (Banded Calcite)
Travertine (CaCO3 - Calcium Carbonate)
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Green Jasper (Banded Jasper)
Silicon Dioxide (SiO2) with impurities
Jasper (Liver Jasper or Chocolate Jasper)
Jasper (Silicate - SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite)
Ironstone Concretion (Moqui Marble type)
Iron oxide concretion (Goethite/Hematite and Sandstone)
Jasper
Silicon Dioxide (SiO2)
Chert (varieties: Flint or Jasper)
Microcrystalline Quartz (SiO2)
Chert (specifically Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon dioxide (SiO2)
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (often called Flint when in chalk or limestone)
Silicon Dioxide (SiO₂)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert / Flint Nodules
Cryptocrystalline Quartz (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Banded Calcite (often marketed as Caribbean Calcite)
Calcium Carbonate (CaCO3) + Aragonite
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Flint (or Chert)
Cryptocrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Jasper with Quartz inclusions
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Chert (Nodular Chert)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Chert (specifically Yellow or Brown Chert / Jasper)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (Silica, SiO2)
Red Jasper
Jasper (Silicon Dioxide) - SiO2
Chert (Flint Nodular Variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (specifically Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Ironstone Concretion (likely)
Goethite/Hematite/Limonite cemented sediment
Sandstone
Quartz Arenite (a type of sandstone composed of more than 90% quartz)
Chert (often referred to as 'Jasper' when red)
Chert (microcrystalline quartz, SiO₂)
Dalmatian Stone
Dalmatian Jasper (Aplitic Perthite)
Chert (Jasper/Quartzite variety)
Microcrystalline Silica (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (specifically Flint)
Silicon dioxide (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)