Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Category
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Druze (Crystalline Quartz)
Silicon Dioxide (SiO2)
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Microcrystalline variety)
Silicon Dioxide (SiO2)
Kyanite (within Quartz)
Kyanite (Al2SiO5) in crystalline Quartz base (SiO2)
Gneiss
Gneiss (High-grade metamorphic rock)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Geode (Quartz chalcedony variety)
SiO2 (Silicon Dioxide)
Limonitic Iron Ore / Goethite
Hydrated Iron(III) oxide-hydroxide (primarily FeO(OH)·nH2O)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Turquoise
Hydrous phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O
Celestite (Celectine)
Strontium sulfate (SrSO4)
Sandstone (Quartzose Pebble)
Clastic Sedimentary Rock (Litharenite/Quartz arenite)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Amethyst (Chevron or Banded Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Red Sandstone
Arenite (primarily Quartz with Iron Oxide)
Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)
Conglomerate
Conglomerate rock
Sandstone (clastic)
Clastic Sedimentary Rock (primarily composed of SiO2)
Ironstone Concretion / Limonite Node
Ferruginous Sedimentary Rock (composed primarily of Limonite FeO(OH)·nH2O and Goethite)
Sandstone
Arenite
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Orange Calcite
Calcium Carbonate (CaCO3)
Honey Calcite
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily SiO2)
Quartz Vein in Siltstone
SiO2 (Quartz) on clastic sedimentary matrix
Ferruginous Sandstone (Red Sandstone)
Arenite with Hematite/Limonite cement
Sandstone (with Lichen)
Arenite (composed primarily of SiO2)
Micaceous Rock (likely Muscovite Schist/Gneiss or a Muscovite-rich Specimen)
Predominantly Muscovite (KAl2(AlSi3O10)(F,OH)2), often found in rocks like Muscovite Schist or Muscovite Gneiss.
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
Pink Granite with Quartz Vein
Phaneritic Plutonic Felsic Rock (K-feldspar + Quartz + Plagioclase + Mica)
Ferruginous Sandstone
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Gneiss
Gneiss
Sandstone (Ferruginous)
Arenite (Fe2O3 enriched)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Sandstone (lithic/greywacke variety)
Arenite (composed primarily of SiO2 with various lithic fragments)
Sandstone Cobble
Arenite (Secondary classification based on grain size)
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in a Geodic structure