Quartz Druzy
Crystalline Silicon Dioxide (SiO2)
Category
Browse mineral side rock specimens identified by the Rock Identifier community.
Quartz Druzy
Crystalline Silicon Dioxide (SiO2)
Quartz on Matrix
Silicon Dioxide (SiO2)
Sandstone
Sandstone (SiO2 with iron oxides and clay)
Sandstone
Arenite (SiO2 principal component)
Sandstone
Arenite (SiO2 composition primarily)
Banded Sandstone
Quartz-rich Arenite Sandstone
Sandstone (lithic/quartz variant)
Clastic sedimentary rock (SiO2 predominant)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite
Sandstone
Arenite (SiO2 predominantly)
Sandstone (lithic wacke/conglomerate mix)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
Sandstone
Arenite (SiO2 primarily)
Siltstone Pebble with Veining
Siltstone
Sandstone or Weathered Conglomerate
Sedimentary Rock (Quartzose Sandstone / Lithic Arenite)
Granite
Felsic intrusive igneous rock
Smoky Quartz and Chalcedony Geode Fragment
Silicon Dioxide (SiO2)
Sandstone
Quartz Arenite / Clastic Sedimentary Rock
Sandstone
Arenite (composed primarily of SiO2)
Lapis Lazuli (Low Grade)
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)
Sandstone pebble
Sandstone (mainly Quartz, SiO2)
Sandstone
Sedimentary Rock (Quartz Arenite)
Schist
Schist
Iron-stained Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (Clastic Sedimentary Rock)
Sedimentary Sandstone with Iron Oxide
Ferruginous Sandstone
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Bauxite
Bauxite (Mixture of Hydrous Aluminum Oxides)
Sandstone and Gravel Aggregate
Clastic Sedimentary Rock / Quartzose Sandstone
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Not a rock, mineral, or geological specimen
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 based)
Weathered iron-rich rock, likely limonite/goethite-bearing laterite
Limonite–goethite aggregate, commonly approximated as hydrated iron oxides (FeO(OH)·nH₂O)
Granite
Intrusive Igneous Rock
Sandstone (with Moss)
Quartz Arenite / Sandstone
Sandstone
Sandstone (SiO2 dominated)
Sandstone (Lithic Sandstone / Greywacke)
Sandstone (SiO2 rich clastic sedimentary rock)
Sandstone
Arenite
Sandstone
Arenite (Silicon Dioxide with various mineral cements)
Sandstone
Sandstone (Silicon dioxide, SiO2 based)