Chert (often referred to as Flint or Jasper when pigmented)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Chert (often referred to as Flint or Jasper when pigmented)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Nodular Chert)
Silicon dioxide (SiO2)
Chert (specifically Chalcedony or Flint variation)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint var.)
Silicon Dioxide (SiO2)
Chert (varieties include Jasper or Flint)
Chert (Microcrystalline Silica, formula: SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Chert (Flint)
Chert (SiO2)
Chert (often called Flint)
Chert (Cryptocrystalline Silica, SiO2)
Chert (often called Flint or River Stone)
Microcrystalline alpha-quartz (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Fossiliferous Limestone Pebble
Biogenic Sedimentary Rock (CaCO3)
Aragonite Star Cluster
Aragonite (Calcium Carbonate, CaCO3)
Orange Calcite
Calcite (Calcium Carbonate - CaCO3)
Hematite
Iron(III) oxide (Fe2O3)
Coal (specifically Bituminous or Anthracite)
Organic sedimentary rock; primarily Carbon (C) with varying H, S, O, N
Limonite with Hematite
Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Banded Iron Formation (BIF) / Ironstone
Ferruginous sedimentary rock (Fe2O3 + SiO2)
Chert (often called Flint in dark varieties)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Common Chert)
Silicon Dioxide (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Banded Chert (River Stone)
Silicon Dioxide (SiO2)
Chert (specifically a weathered Chert nodule or fragment)
Chert; Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Silicon dioxide (SiO2)
Chert (Jasper)
Silicon dioxide (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (and Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Limonite Concretion (Ironstone)
Limonite (FeO(OH)·nH2O) with Goethite and Hematite
Chert / Flint
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (specifically Red Chert / Jasper)
Silicon Dioxide (SiO2)
Limonite/Ironstone
Limonite (Hydrous ferric oxides), FeO(OH)·nH2O
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Commonly known as Flint)
Silicon Dioxide (SiO2)
Chert (Jasper/Common Chert Pebble)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert Pebble
Microcrystalline Quartz (SiO2)
Chert (Chert Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz