Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 principal composition)
Category
Browse sedimentary rock (specifically a chemical sedimentary rock, or a chert if considered purely mineral aggregate) specimens identified by the Rock Identifier community.
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 principal composition)
Sandstone
Arenite
Red Sandstone
Arenite
Dalmatian Stone (commonly called Dalmatian Jasper)
Peralkaline Rock (mixed Feldspar, Quartz, and Arfvedsonite)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Slate
Foliated Metamorphic Rock (composed primarily of Quartz, Muscovite, and Illite)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone (Quartzose Sandstone)
Arenite (SiO2 primarily)
Sandstone
Arenite (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (primarily Quartz, SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Granite Gneiss
High-grade regional metamorphic rock (Quartz-Feldspar Gneiss)
Quartz (Milky Quartz)
Quartz (SiO2 - Silicon Dioxide)
Sandstone
Arenite (primarily Quartz-rich sedimentary rock)
Geode (Unopened)
Siliceous Septarian Concretion / Geode (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone Concretion
Ferruginous Sandstone Concretion (Primarily SiO2 with Iron Oxide cement)
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 impurities)
Clear Quartz (beads in a bracelet)
Quartz (SiO2)
Red Shale
Fissile Siliciclastic Sedimentary Rock
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone (Quartzose)
Arenite (SiO2 based)
Quartz / Quartzite
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Chalcedony on Matrix
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Sandstone
Arenite
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 cement)
Druzy Quartz
Silicon Dioxide (SiO2)
Concretion
Septarian concretion (likely containing Calcite or Siderite)
Sandstone
Arenite (primarily SiO2)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Geode (unopened)
Calcedony-lined Geode (SiO2)
Sandstone (clastic)
Clastic Sedimentary Rock (primarily composed of SiO2)
Sandstone (with banding)
Arenite (primarily SiO2)
Rock Salt / Halite Crust
Halite (Sodium Chloride, NaCl)