Rock Identifier

Category

Sedimentary (Man Made Conglomerate)

Browse sedimentary (man made conglomerate) specimens identified by the Rock Identifier community.

Siltstone (Siltstone (primarily SiO2 with Al2O3 and Fe2O3)) — sedimentary

Siltstone

Siltstone (primarily SiO2 with Al2O3 and Fe2O3)

Sandstone (Quartzose) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (composed primarily of SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Carnelian Agate (Carnelian (Silicon Dioxide - SiO2)) — mineral

Carnelian Agate

Carnelian (Silicon Dioxide - SiO2)

Chert (Nodule) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Nodule)

Silicon Dioxide (SiO2)

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Chert (Flint) (Chert (SiO2)) — sedimentary

Chert (Flint)

Chert (SiO2)

Quartz (Druzy or Geode fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy or Geode fragment)

Silicon Dioxide (SiO2)

Red Jasper (Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)) — sedimentary

Red Jasper

Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Chert (Yellow Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Yellow Jasper)

Silicon Dioxide (SiO2)

Chert (specifically Red Chert/Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Red Chert/Jasper variety)

Silicon Dioxide (SiO2)

Chert (Iron-stained) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (specifically a weathered Chert nodule or fragment) (Chert; Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically a weathered Chert nodule or fragment)

Chert; Microcrystalline or Cryptocrystalline Quartz (SiO2)

Sandstone Concretion with Fossil Wood (Ferruginous Sandstone Concretion (SiO2 with Fe2O3 cement)) — sedimentary

Sandstone Concretion with Fossil Wood

Ferruginous Sandstone Concretion (SiO2 with Fe2O3 cement)

Sandstone (specifically Red Sandstone) (Arenite (SiO2 with Iron Oxide)) — sedimentary

Sandstone (specifically Red Sandstone)

Arenite (SiO2 with Iron Oxide)

Yellow Jasper (Silicon Dioxide (SiO2) with Iron inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with Iron inclusions

Chert (with Quartz Veining) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (with Quartz Veining)

Microcrystalline Quartz (SiO2)

Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Chert (specifically Pink/Tan Chert) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Pink/Tan Chert)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Jasper with Hematite inclusions (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)) — sedimentary

Jasper with Hematite inclusions

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)

Red Sandstone (Arenite (primarily Quartz with Hematite cement)) — sedimentary

Red Sandstone

Arenite (primarily Quartz with Hematite cement)

Fossiliferous Limestone (Crinoidal) (Bioclastic Limestone (predominantly CaCO3)) — sedimentary

Fossiliferous Limestone (Crinoidal)

Bioclastic Limestone (predominantly CaCO3)

Fossiliferous Limestone with Rugose Coral (Rugosa (order), typically preserved in CaCO3 (Calcite)) — sedimentary

Fossiliferous Limestone with Rugose Coral

Rugosa (order), typically preserved in CaCO3 (Calcite)

River Jasper (Chert/Chalcedony mix) (Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions) — sedimentary

River Jasper (Chert/Chalcedony mix)

Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions

Limonite (Iron-rich Siltstone / Sandstone base) (Hydrous ferric oxide mixture (FeO(OH)·nH2O)) — sedimentary

Limonite (Iron-rich Siltstone / Sandstone base)

Hydrous ferric oxide mixture (FeO(OH)·nH2O)

Chert (Jasper/Flint variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Ironstone (likely siderite or goethite-rich siltstone) (Ferruginous Siltstone) — sedimentary

Ironstone (likely siderite or goethite-rich siltstone)

Ferruginous Siltstone

Ammonite Fossil (Ammonoidea (subclass)) — sedimentary

Ammonite Fossil

Ammonoidea (subclass)

Coal (specifically Bituminous or Anthracite) (Organic sedimentary rock; primarily Carbon (C) with varying H, S, O, N) — sedimentary

Coal (specifically Bituminous or Anthracite)

Organic sedimentary rock; primarily Carbon (C) with varying H, S, O, N

Jasper (Silicon Dioxide (SiO₂)) — sedimentary

Jasper

Silicon Dioxide (SiO₂)

Sandstone (Red) (Arenite (primarily SiO2 with Iron Oxide staining)) — sedimentary

Sandstone (Red)

Arenite (primarily SiO2 with Iron Oxide staining)

Chert (Jasper variety) (Chert (SiO2)) — sedimentary

Chert (Jasper variety)

Chert (SiO2)

Ammonite Fossil (Ammonoidea (subclass)) — sedimentary

Ammonite Fossil

Ammonoidea (subclass)

Dendritic Limestone (Calcite with Manganese Oxide (Manganese Dendrites)) — sedimentary

Dendritic Limestone

Calcite with Manganese Oxide (Manganese Dendrites)

Chert (Iron-stained) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

Chert (Iron-stained) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Fossiliferous Limestone with Brachiopod shell (Calcium carbonate (CaCO3)) — sedimentary

Fossiliferous Limestone with Brachiopod shell

Calcium carbonate (CaCO3)

Chert Nodule (Microcrystalline Silica (SiO2)) — sedimentary

Chert Nodule

Microcrystalline Silica (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)