Sandstone
Arenite (SiO2 principal)
Category
Browse mineral side rock specimens identified by the Rock Identifier community.
Sandstone
Arenite (SiO2 principal)
Green Apophyllite and Stilbite on Quartz Cluster
Apophyllite-(K) (KCa4(Si8O20)(F,OH)·8H2O), Stilbite-Ca (NaCa4(Si27Al9)O72·28H2O), Quartz (SiO2)
Quartz Geode Segment
Crystalline Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Sandstone Concretion (Omar or Nut Rock)
Sedimentary Concretion (specifically an 'Omarolluk' or Omar)
Shale
Argillaceous sedimentary rock
Sandstone
Arenite (SiO2 based typically)
Dendritic Jasper
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Sandstone
Sandstone (various mineral compositions)
Sandstone
Arenite (primarily SiO2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Sandstone
Arenite (SiO2 primarily)
Biotite Schist
Biotite Schist
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (composed mostly of SiO2)
Bauxite
Bauxite (Al2O3·2H2O mixed with iron oxides)
Chert Breccia (Yellow Jasper)
Silicon Dioxide (SiO2) - Brecciated Chert
Gneiss
High-grade Metamorphic Gneiss
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Granitic Pegmatite
Pegmatite containing Quartz, Feldspar, and Muscovite mica
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone with Ironstone Concretion
Arenite with Ferruginous Cement
Schist
Mica Schist (primarily consisting of muscovite KAl2(AlSi3O10)(OH)2 or biotite K(Mg,Fe)3(AlSi3O10)(OH)2)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Greenstone
Metabasalt (Greenstone)
Bauxite
AlOx(OH)3-2x (mixture of Gibbsite, Boehmite, and Diaspore)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily Quartz-rich)
Sandstone nugget
Arenite (primarily Quartz SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (SiO2 based sedimentary rock)
Weathered Sandstone with Algae Growth
Arenite
Sandstone (likely Red/Brown Sandstone)
Arenite (SiO2 based)
Sandstone (likely Arkose or Lithic)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone Pebble
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (SiO2 based)
Sandstone (Ferruginous)
Sandstone (primarily SiO2 with Iron Oxide cement)