Quartz
Silicon Dioxide (SiO2)
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Aragonite / Calcite Geode
Calcium Carbonate (CaCO3)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Banded)
Microcrystalline Quartz (SiO2)
Chert (Field Stone/Jasper variety)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Rock Salt (Halite)
Halite (Sodium Chloride, NaCl)
Chert (Grey-Green Var.)
Silicon Dioxide (SiO2)
Chert (Septarian or Nodular variety)
Microcrystalline Quartz (SiO2)
Quartz (Small Pebble)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear Fragment)
Silicon Dioxide (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper/River Stone)
Silicon dioxide (SiO2) - Microcrystalline quartz
Chert (containing Quartz)
Microcrystalline Silica (SiO2)
Quartzite (Meta-sedimentary)
Quartzite (SiO2)
Chert with Quartz Veining
Silicon Dioxide (SiO2)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Limestone (Ocherous)
Calcium Carbonate (CaCO3) with Iron Oxide (Limonite)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (Honey Chert or Chalcedony Pebble)
Cryptocrystalline Quartz (SiO2)
Chert (River Siltstone/Flint)
Chert (SiO2)
Limestone
Limestone (CaCO3)
Native Gold (in earring form)
Gold (Au)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert / Chalcedony (Agatized)
Silicon dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Chert (and Chert Breccia)
Silicon Dioxide (SiO2)
Chert (with Quartz veins)
Chert (Microcrystalline Silica, SiO2)
Chert with Chalcedony/Quartz Vug
Cryptocrystalline Silica (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz chunk
Silicon dioxide (SiO2)
Aragonite Star Cluster
Aragonite (Calcium Carbonate, CaCO3)
Chert (Commonly known as Jasper or Flint)
Microcrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Green Chert (Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert
Chert (Microcrystalline Quartz, SiO2)
Dyed Agate Geode
Silicon Dioxide (SiO2) - Chalcedony variety
Chert (specifically Gray/Banded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)