Chert (with Liesegang Banding)
Microcrystalline quartz (SiO2)
Category
Browse organic (non geological) specimens identified by the Rock Identifier community.
Chert (with Liesegang Banding)
Microcrystalline quartz (SiO2)
Chert Pebble
Chert (composed primarily of Microcrystalline Quartz, SiO2)
Moss Agate / Chalcedony
Silicon Dioxide (SiO2)
Chert (Flint Nodule)
Microcrystalline and Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Silicon dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (Jasper variation)
Silicon Dioxide (SiO2)
Banded Chert (Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (specifically Jasper/Flint pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Chert (Microcrystalline and Cryptocrystalline Quartz, SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Petrified Wood
Silicified Wood (SiO2)
Fossiliferous Limestone (Crinoidal)
Calcium Carbonate (CaCO3) - Limestone containing bioclasts
Chert (Yellow/Brown variety)
Chert (SiO2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (and associated river cobbles)
Silicon dioxide (SiO2)
Yellow Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert Pebble
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Pebble)
Silicon Dioxide (SiO2)
Chert with Quartz Druzy
Microcrystalline Quartz (SiO2) with Drusy Quartz Coating
Chert (specifically Flint)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Smooth River Pebble)
Silicon Dioxide (SiO2)
Chert (Jasper/Common Chert Pebble)
Microcrystalline Quartz (SiO2)
Amber
Succinite (specifically for Baltic amber); chemical formula approx. C10H16O
Chert (Yellow Jasper/Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
Amber
Succinite (Fossilized Tree Resin)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Banded Agate (Dyed)
SiO2 (Silicon Dioxide / Microcrystalline Quartz)
Moss Agate
Silicon Dioxide with inclusions (SiO2 + impurities)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxide
Banded Chert (Ironstone type)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Chert (and Flint)
Silicon Dioxide (SiO2)
Chert (with Manganese Oxide coating)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony mix)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Chert (specifically Iron-stained or Jasperoid Chert)
Microcrystalline Quartz (SiO2)