Coquina / Fossiliferous Limestone
Fossiliferous Limestone (Calcite, CaCO3)
Category
Browse man made composite (lithified equivalent of sedimentary) specimens identified by the Rock Identifier community.
Coquina / Fossiliferous Limestone
Fossiliferous Limestone (Calcite, CaCO3)
Sandstone
Arenite
Chert Nodule
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Common Variety, Jasper)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Chert (Alpha-Quartz, SiO2)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert / Flint
Silicon Dioxide (SiO₂)
Coquina
Biogenic Limestone (Calcite, CaCO3)
Coquina
Biogenic Limestone (Coquina)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper type)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
Sandstone
Clastic Sedimentary Rock
Bauxite
Bauxite (Al(OH)3, AlO(OH))
Coquina
Bioclastic Limestone (Calcium Carbonate, CaCO3)
Coquina
Biogenic Limestone (mostly Calcium Carbonate, CaCO3)
Fossilized Shark Tooth (Sand Tiger)
Carcharias sp. (Fossilized Tooth)
Pyrite
Iron Sulfide (FeS2)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Geode (Unopened)
Quartz Geode (SiO2) / Chalcedony Concretion
Pink calcite (likely)
Calcite — calcium carbonate, CaCO₃
Banded Chert / Chalcedony
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Quartz (likely Chalcedony or Chert)
Silicon Dioxide (SiO2)
Crushed Limestone
Calcium Carbonate (CaCO3)
Chert (Flint)
Chert (Cryptocrystalline Silica, SiO2)
Chert (Brown Variety)
Microcrystalline Quartz (SiO2)
Fossilized Coral (Petoskey-style)
Hexagonaria percarinata (Fossilized Rugose Coral)
Sandstone
Arenite (SiO2 primarily)
Jasper
Silicon Dioxide (SiO2)
Yellow Chert (Chalcedony)
Microcrystalline Quartz (SiO2)
Bituminous Coal (with Anthracite or Vitrinite inclusion)
Organic-rich Sedimentary Rock (Carboniferous classification)
Chert (often called Flint or Agate nodule)
Cryptocrystalline Quartz (SiO2)