Chert (Nodule)
Silicon Dioxide (SiO2)
Category
Browse mineral within a sedimentary rock specimens identified by the Rock Identifier community.
Chert (Nodule)
Silicon Dioxide (SiO2)
Gneiss (Metamorphic Rock)
Gneiss
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Gneiss (Metamorphic Rock)
Gneiss (variable mineral formula primarily containing Quartz, Feldspar, and Mica)
Chert (and Flint variant)
Chert (SiO2)
Chert (Jasper/Agate variety)
Cryptocrystalline Quartz (SiO2)
Conglomerate
Conglomerate (clastic sedimentary rock)
Chert (Nodule/Pebble)
Chert (Silicon Dioxide, SiO2)
Gneiss Pebble
Gneiss
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
Red Sandstone
Arenite with Hematite cementation
Carnelian
Carnelian (SiO2, Silicon Dioxide with Iron Oxide impurities)
Chalcedony in Host Rock
Chalcedony (SiO2)
Quartz Vein in Host Rock
Hydrothermal Quartz (SiO2) in Slates/Schists
Gneiss
Gneiss (high-grade metamorphic rock typically composed of quartz, feldspar, and mica)
Conglomerate
Conglomerate (clastic sedimentary rock)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss (with Quartz and Biotite Mica)
Gneiss
Fossilized Horn Coral
Order Rugosa (Rugose Coral)
Banded Chert in Matrix
Microcrystalline Quartz (SiO2)
Siltstone/Sandstone (possibly Wonderstone or Picture Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide inclusions)
Glauconitic Sandstone (Greensand)
Glauconitic Quartz Arenite (Formula: (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)
Sandstone
Arenite
Yellow Jasper
Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)
Chert / Flint Nodules in Limestone
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
Sandstone (Wonderstone)
Silicified Sandstone / Orthoquartzite with Liesegang rings
Quartz Geode in Sedimentary Matrix
Silicon Dioxide (SiO2) within a limestone/dolostone host
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Quartz Geode in Chert/Limestone Matrix
Silicon Dioxide (SiO2) within Sedimentary Host Rock
Chert (often called Flint or Jasper)
Chert (Microcrystalline or Cryptocrystalline Silica, SiO2)
Schist (Micaceous Schist)
Schist (containing mainly Muscovite and Quartz)
Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
Chert / Flint
Chert (Cryptocrystalline Silica, SiO2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and other impurities
Chert (often called Flint in various colors)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (Common Opal/Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (specifically Tan/Gray Chert)
Microcrystalline quartz (SiO2)
Sandstone Concretion
Clastic sedimentary rock (primarily Silica, SiO2, or Calcium Carbonate, CaCO3)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (SiO2)