Quartz / Common Gravel
Silicon Dioxide (SiO2)
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Quartz / Common Gravel
Silicon Dioxide (SiO2)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limonite with Trace Fossils
Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert
Silicon dioxide (SiO2)
Chert
Microcrystalline quartz (SiO2)
Chert
Microcrystalline quartz (SiO2)
Flint
Microcrystalline quartz (SiO2)
Flint
Silicon dioxide (Microcrystalline Quartz, SiO2)
Chert
Cryptocrystalline quartz (SiO2)
Flint
SiO2 (Microcrystalline Quartz)
Chert
Microcrystalline quartz (SiO2)
Chert
Microcrystalline quartz (SiO2)
Flint
Microcrystalline quartz (SiO2)
Banded Chert
Cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline quartz (SiO2)
Green Chert
Microcrystalline Quartz (SiO2)
Chert (Flint Arrowhead)
Silicon Dioxide (SiO2)
Flint with Fossil Inclusion
Cryptocrystalline quartz (SiO2) enclosing fossilized organic remains
Chert / Flint
Cryptocrystalline quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Bauxite
Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)
Banded Chert
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (includes Flint & Jasper)
Chert (Siliceous sedimentary rock, chemical formula SiO2)
Limestone (likely weathered)
Limestone (Mainly Calcium Carbonate, CaCO3)
Limestone (Elephant Skin or Karst-weathered)
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Chert (with Iron Staining)
Microcrystalline Quartz (SiO2)
Limestone pebble
Sedimentary rock, primarily calcium carbonate (CaCO3)
Mineral Grit / Sand Grains
Siliciclastic sediment (predominantly Quartz, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)