Chert (Flint/Jasper variety)
Silicon Dioxide (SiO2)
Category
Browse mineral within a sedimentary rock specimens identified by the Rock Identifier community.
Chert (Flint/Jasper variety)
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (Cryptocrystalline Silicon Dioxide, SiO2)
Chert (Iron-stained)
Chert (Cryptocrystalline Silica, SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Fossiliferous Limestone
Biogenic Limestone containing marine invertebrate fossils
Conglomerate
Conglomerate (SiO2, Al2O3, Fe2O3, CaCo3)
Chert (varietal: Flint/Jasper mix)
Hydrous Silica (SiO2)
Garnet in Schist (Garnetiferous Micaceous Schist)
Almandine Garnet, Fe3Al2(SiO4)3
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Slate
Slate (Foliated Metamorphic Rock)
Quartz (Drusy/Crystalline variety)
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (Chalcedony), SiO2
Conglomerate
Conglomerate
Gneiss
Gneiss (High-grade Regional Metamorphism)
Banded Gneiss
Gneiss (SiO2-rich metamorphic rock)
Zebra Stone
Siltstone (Argillaceous Siltstone)
Bauxite
Bauxite (mixture including Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))
Conglomerate
Conglomerate (clastic sedimentary rock)
Gneiss
Gneiss
Chert (Green Chert)
Microcrystalline silica (SiO2)
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Fossil Crab
Decapoda (likely Avitelmessus or Raninidae family)
Gneiss
Gneiss
Gneiss
Foliated Metamorphic Rock (Gneiss)
Chert nodules in Limestone
Microcrystalline Quartz (SiO2) in Calcium Carbonate (CaCO3) matrix
Banded Gneiss
Gneiss (High-grade metamorphic rock)
River Rock (Gneiss/Schist mix)
Foliated Metamorphic Rock (Gneiss)
Sandstone (specifically Arkose or Ferruginous Sandstone)
Sandstone (SiO2 predominant)
Jasper with Hematite inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Ironstone Concretion
Ferruginous Sandstone / Iron-rich Sedimentary Rock
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Gneiss
Gneiss
Gneissic Schist
Foliated Metamorphic Rock (Schist/Gneiss transition)
Gneiss
Gneiss
Zebra Jasper (with Chlorite/Epidote)
Silicon Dioxide (SiO2) with inclusions
Conglomerate (with Jasper pebble)
Conglomerate / Microcrystalline Quartz (Jasper)
Conglomerate
Conglomerate