Conglomerate
Conglomerate (Clastic sedimentary rock)
sedimentary
Category
Mineral Within Sedimentary Rock
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Learn about Mineral Within Sedimentary Rock in the encyclopedia
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Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss
Granitic Gneiss
metamorphic
Chert (and Fossiliferous Chert)
Silicon Dioxide (SiO2)
sedimentary
Pebble with Basaltic and Quartz-rich Banding
Polymictic Lithic Pebble
sedimentary
Fossilized Dinosaur Skull (Tyrannosaurus rex)
Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica
sedimentary
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2)
mineral
Garnet Gneiss or Mica Schist with Garnet
Almandine Garnet-bearing Gneiss
metamorphic
Sandstone Geode (Unbroken)
Siliciclastic sedimentary rock (primarily Quartz)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Turquoise in Matrix
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Bauxite / Iron-rich Laterite
Laterite (principally Al(OH)3, Fe2O3, and SiO2)
sedimentary
Conglomerate (or Breccia)
Clastic Sedimentary Rock (Conglomeratic)
sedimentary
Ironstone Pebble
Sedimentary Ironstone (Hematite/Limonite-bearing)
sedimentary
Garnet-bearing Schist / Conglomerate Specimen
Metamorphic rock with almandine garnet porphyroblasts
metamorphic
Sandstone (likely Arkosic)
Arenite (SiO2 based)
sedimentary
Ferruginous Sandstone
Sandstone with Iron Oxide (Limonite/Goethite)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) within Sedimentary host rock
mineral
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Coprolite
Fossilized Feces
fossil
Sandstone Concretion
Carbonate-cemented Sandstone Concretion
sedimentary
Conglomerate (Quartz Pebble Conglomerate)
Quartz Pebble Conglomerate
sedimentary
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Turquoise in Matrix
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
mineral
Fossilized Shell or Coral Fragment in Matrix
Invertebrate Fossil in Sedimentary Rock
fossil
Quartz Geode
Silicon Dioxide (SiO2) within a geode
sedimentary
Quartz Druzy (on Geode Fragments)
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose)
Arenite (SiO2 principal)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Quartz Vein in River Siltstone
Crystalline Quartz (SiO2) in Siliclastic Matrix
sedimentary
Quartz geode or quartz-bearing rock
Quartz (SiO₂), likely in a chalcedony- or basalt-hosted cavity
mineral
Quartz Druzy / Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Limonite Concretion
Goethite/Limonite (FeO(OH)·nH2O)
sedimentary
Granitic Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Banded Agate
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
mineral
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone (Yellow/Tan Sandstone)
Arenite (primarily Quartz, SiO2)
sedimentary
Quartz Vein in Host Rock (likely Sandstone or Mudstone)
Silicon Dioxide (SiO2) within Sedimentary Matrix
sedimentary
Sedimentary Breccia
Clastic Breccia (CaCO3/SiO2 matrix)
sedimentary
Quartz Pebble with Host Rock / Schist Matrix
Silicon Dioxide (SiO2) with Metamorphic Host Rock
sedimentary