Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Category
Mineral Within Sedimentary Rock
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Chert (Jasper variety)
Cryptocrystalline quartz (SiO2)
sedimentary
Chert (Flint nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Chert (Green variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Ferruginous Sandstone (Ironstone)
Sedimentary rock with high iron oxide content (Fe2O3 / FeO(OH))
sedimentary
Banded Chert
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Wonderstone (Liesegang Sandstone)
Silicified Sandstone with Liesegang Rings (SiO2 + FeO(OH))
sedimentary
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
Mineral
Amethyst Quartz Druse
Silicon Dioxide (SiO2) with iron impurities
mineral
River/Stream Pebble
Clast / Detrital Grain / Rounded Sedimentary Particle (Compositionally variable, commonly Quartz, Feldspar, Chert, or other resistant rock fragments)
Mineral, specifically a rock fragment
Chert (and Flint)
Cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone
Quartz Sandstone (predominantly)
Sedimentary
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
sedimentary
Conglomerate
Clastic sedimentary rock (Polymictic Conglomerate)
sedimentary
Chert (Brown variety)
Silicon Dioxide (SiO2)
sedimentary
Gneiss (specifically a Granitic Gneiss specimen)
Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)
metamorphic
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
sedimentary
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Chert (Jasper variation)
Silicon Dioxide (SiO2)
sedimentary
Coquina
Biogenic Limestone (CaCO3)
sedimentary
Flower Agate
Chalcedony (SiO2) with Scolecite/Opaque inclusions
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Rough Tanzanite
Zoisite (Ca2Al3(SiO4)3(OH))
mineral
Ferruginous Sandstone (Iron-rich Sandstone)
Ferruginous Arenite
sedimentary
Amethyst
Amethyst (Silicon Dioxide with iron impurities), SiO2
mineral
Shale with Vein Infillings
Shale (a fine-grained clastic sedimentary rock). The veins could be Calcite (CaCO3), Quartz (SiO2), or other minerals.
Sedimentary Rock
Ocean Jasper
Orbicular Jasper (Silicon Dioxide with impurities), SiO2
mineral
Quartz Vein Rock
Quartz (Silicon Dioxide, SiO2)
igneous
Mica Schist
Foliated Metamorphic Rock (Schist)
metamorphic
Sandstone
Sandstone (composed primarily of sand-sized minerals or rock grains)
sedimentary
Chert (Jasper/Agate variety)
Microcrystalline quartz (SiO2)
sedimentary
Pyrite in Shale
Iron Sulfide (FeS2) in Argillaceous Shale
sedimentary
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Chert (Tan/Yellow variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Jasper (Chocolate or Brown Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
sedimentary