Chert Pebble with Quartz Veins
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Chert Pebble with Quartz Veins
Microcrystalline Quartz (SiO2)
Chert (often called Flint for darker varieties)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Chert (Black Chert)
Microcrystalline Silica (SiO2)
Banded Onyx (Cave Calcite)
Calcite (CaCO3), often called Mexican Onyx or Travertine
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Granitic Sand
Detrital sediment (predominantly Quartz, Feldspar, and Mica)
Chert / Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Iron Ore (Hematite/Goethite)
Ironstone (Fe2O3 / FeO(OH))
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Chert / Flint)
Silicon Dioxide (SiO2)
Chert (Iron-stained)
Chert (Microcrystalline Quartz, SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Chert (Silicon Dioxide, SiO2)
Tufa
Calcareous Tufa (CaCO3)
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Flint/Jasper)
Microcrystalline Quartz (SiO2)
Banded Calcite
Calcite (Calcium Carbonate, CaCO3)
Chert Pebble
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone
Calcite-rich sedimentary rock (CaCO3)
Chert (Jasper variety)
Chert (Silicon Dioxide, SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Aragonite (Flos Ferri)
Calcium Carbonate (CaCO3)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Septarian Nodule or Mud Crack Fossil
Septarian Nodule (Concretion)
Septarian Nodule
Septarian Concretion (Composition: Calcite, Aragonite, and Limestone/Clay)
Limestone
Calcium Carbonate (CaCO3)
Quartz (Grain)
Silicon Dioxide (SiO2)
Chert (Smooth River Pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Brecciated Chert
Sedimentary Chert (SiO2) with Calc-Silicate mineralization
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Yellow/Tan variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (specifically Flint or Gray Chert)
Silicon Dioxide (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)