Banded Chert
Microcrystalline Quartz (SiO2)
Category
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
Banded Chert
Microcrystalline Quartz (SiO2)
Chert Nodule (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert / Flint
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Fossilized Shell in Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Coquina
Coquina (Bioclastic Limestone)
Chert (Jasper/Common Chert Pebble)
Microcrystalline Quartz (SiO2)
Mother of Pearl (Nacre) / Shell Fragment
Biogenic Calcium Carbonate (Aragonite and Conchiolin)
Diamond in Kimberlite
Diamond (C in Kimberlite Matrix)
Fossilized Coral (Petoskey Stone / Hexagonaria)
Hexagonaria percarinata / Rugosa coral (CaCO3)
Chert (Nodule)
Chert (Silicon Dioxide, SiO2)
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
Chert
Cryptocrystalline Quartz (SiO2)
Shale / Mudstone
Laminated Mudrock (Siliciclastic Sedimentary Rock)
Shale (Beach-worn)
Laminated Pelite (primarily clay minerals and quartz)
Terrazzo (Synthetic Composite Rock)
Cementitious or Epoxy Resin-bound Aggregates
Chert (often called Flint or Jasper if reddish)
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline Quartz (SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2 + Fe2O3)
Flint / Chert
Microcrystalline quartz (SiO2)
Shale
Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)
Pyrite
Iron Sulfide (FeS2)
Banded Calcite or Travertine
Calcium Carbonate (CaCO3)
Fossilized Shark Tooth (Eroded)
Carcharodon sp. or Otodus sp. fragment (likely)
Pyrite
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Chert
Microcrystalline quartz (SiO2)
Chert (with Limestone matrix)
Silicon dioxide (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (and/or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (variations include Flint/Jasper)
Cryptocrystalline Quartz (SiO2)
Chert / Jasper
Silicon Dioxide (SiO₂)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Black Chert or Flint)
Silicon Dioxide (SiO2)
Asphalt Concrete
Bituminous Concrete / Asphaltic Composite
Chert / Flint
Microcrystalline Quartz (SiO2)
Chert (Flint Arrowhead)
Silicon Dioxide (SiO2)
Black Chert River Stone
Cryptocrystalline Quartz (SiO2)
Chert (Flint Nodules)
Cryptocrystalline Quartz (SiO2)