Sandstone
Clastic Sedimentary Rock (Quartz arenite)
Category
Browse not a rock or mineral specimens identified by the Rock Identifier community.
Sandstone
Clastic Sedimentary Rock (Quartz arenite)
Banded Sandstone
Quartz-rich Arenite Sandstone
Sandstone
Clastic sedimentary rock (Quartz arenite)
Sandstone
Sandstone (SiO2 with iron oxides and clay)
Sandstone
Arenite
Sandstone (Calcareous/Lithic)
Sedimentary Rock (Clastic Sandstone with Calcium Carbonate cement)
Sandstone
Arenite (SiO2 composition primarily)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (SiO2 principal component)
Conglomerate Pebble (with Chert / Quartz)
Sedimentary Conglomerate / Breccia Pebble
Sandstone (lithic/quartz variant)
Clastic sedimentary rock (SiO2 predominant)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite
Quartz Geode
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 predominantly)
Sandstone (lithic wacke/conglomerate mix)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
Sandstone
Arenite
Sandstone
Arenite
Botryoidal Quartz / Calcite Geode crust
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Sandstone
Arenite (Siliclastic Sedimentary Rock)
Sandstone
Arenite (SiO2 primarily)
Sandstone (Iron-stained)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
White Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
Granite
Intrusive igneous rock
Breccia
Breccia (Sedimentary Clastic Rock)
Sandstone
Sedimentary Rock (Quartz arenite)
Gneiss
Gneiss (Foliated Metamorphic Rock)
Fossilized Shark Tooth
Chondrichthyes (class)
Shale and Pebble Fragment
Sedimentary Rock (Mudstone/Shale with Silica Pebble)
Limonite (Iron Ore)
Goethite and related iron hydroxides (FeO(OH)·nH2O)
Anyolite (Ruby in Zoisite)
Zoisite with inclusions of Hornblende and Ruby (Ca2Al3(SiO4)3(OH))
Basalt (Vesicular/Weathered)
Mafic Igneous Rock (Mainly Plagioclase and Pyroxene)
Generic Pebble / Small Rock Fragment
Lithic fragment / Weathered rock particle
Siltstone Pebble with Veining
Siltstone
Gold in Quartz Matrix
Native Gold (Au) with Quartz (SiO2) and Slate/Shale
Quartz
Silicon Dioxide (SiO2)
Granite Pebble (Weathered)
Phaneritic Felsic Igneous Rock
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2) with miscellaneous inclusions
Sandstone (with Iron concretions/staining)
Arenite (composed primarily of Quartz and Feldspar with Iron Oxide cement)