Quartzite
Quartzite (primarily SiO2)
Category
Browse sedimentary rock (possibly a conglomerate or coarse grained sandstone) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Yellow Quartzite Pebble
Quartzite (SiO2 with Iron Oxide staining)
Quartzite
Quartzite (composed primarily of Quartz, SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite Pebble
Quartzite (SiO2)
Quartzite Pebble
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Calamites (Fossil)
Calamites sp. (Tracheophyta, Equisetopsida)
Pink Quartzite
Metamorphosed Quartz Arenite (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Quartzite with Iron inclusions
Metamorphosed Sandstone (SiO2 with Fe2O3)
Quartzite
Quartzite (primarily SiO2)
Moqui Marble
Ironstone Concretion (Limonite/Hematite over Sandstone)
Dyed Blue Quartzite
SiO2 (Silicon Dioxide) with artificial colorants
Yellow Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartzite (Iron-stained)
Quartzite (SiO2 with iron oxides)
Quartzite
Quartzite (SiO2)
Ferruginous Quartzite (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (SiO2)
Quartzite with Iron Banding
Metamorphosed Quartz-rich Sandstone (SiO2 with Fe2O3 inclusions)
Yellow Quartzite Pebble
Quartzite (SiO2)
Limonite Concretion (Ironstone)
Limonite (Hydrated Iron(III) Oxide-Hydroxide, FeO(OH)·nH2O)
Oolitic Limestone
Oolitic Limestone (CaCO3)
Coquina
Biogenic Limestone (Coquina)
Quartzite River Stone
Metamorphosed Quartz-rich Sandstone (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Fossiliferous Limestone with Rugose Coral
Lithostrotionella (Limestone Matrix - CaCO3)
Reddish Brown Claystone or Siltstone
Argillite / Siltstone / Claystone
White Marble
Recrystallized Calcite (CaCO3)
River Jasper (Chert/Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
Petrified Wood
Silicified Wood (primarily SiO2)
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
Stromatolite
Stromatolite (Cyanobacteria-formed Organo-sedimentary structure)
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (primarily Quartz/Chalcedony, formula SiO2)
Petrified Wood
Silicified Wood (SiO2)