Chert (Jasper variety)
Silicon Dioxide (SiO2)
Category
Browse organic (non geological) specimens identified by the Rock Identifier community.
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with fossil inclusions
Chert (containing Iron Oxide)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Chert / Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (or Chalcedony)
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (variations include Flint)
Chert (Silicon Dioxide, SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Silica (SiO2)
Chert (Green variety)
Chert (Silicon Dioxide, SiO2)
Chert (Basanite variety)
Microcrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline context of Quartz (SiO2)
Chert (White Flint)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (often called Flint)
Chert (Cryptocrystalline Quartz, SiO2)
Amber
Succinite (formula varies, primarily C10H16O)
Ironstone Concretion (Limonite/Goethite)
Iron oxide concretion (contains FeO(OH)·nH2O)
Amber
Succinate (Fossilized Tree Resin)
Aragonite
Aragonite (CaCO3)
Chert (specifically Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Opaline Silica (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (Yellow Jasper/Agatized Chert)
Microcrystalline Quartz (SiO2)
Amber
Succinite (C10H16O)
Amber
Succinite (Fossilized Tree Resin)
Amber
Succinite
Amber
Succinicum (Organic compound, primarily C10H16O)
Jasper
Silicon dioxide (SiO2)
Chalcedony (Agatized Coral / Rough Chalcedony Node)
Silicon Dioxide (SiO2)
Jasper (Petrified Wood Variety)
Silicon Dioxide (SiO2)
Chert (Field Stone)
Chert (SiO2)
Chert (with Limestone matrix)
Chert (Silica: SiO2)
Chert (and Flint)
Cryptocrystalline Quartz (SiO2)
Black Jasper
Silicon Dioxide (SiO2) with Carbonaceous inclusions
Fossil Coral (Rugose Coral Fragment)
Rugosa (extinct order of solitary and colonial corals)
Moss Agate
Chalcedony (SiO2) with inclusions of hornblende or chlorite
Jasper
Jasper (Silicon Dioxide, SiO2)