Sandstone
Sedimentary Rock (Quartz Sandstone)
Category
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
Sandstone
Sedimentary Rock (Quartz Sandstone)
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
Sandstone
Arenite (primarily Quartz-rich)
Dalmatian Jasper
Peralkaline rhyolite with arfvedsonite inclusions
Sandstone (Quartzite Pebble)
Arenite (primarily SiO2)
Sandstone (with Iron Oxide)
Quartz Arenite / Ferruginous Sandstone (SiO2 with Fe2O3)
Limonite / Goethite (Ironstone Nodule)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
K-Feldspar (Potassium Feldspar)
Orthoclase / Microcline (KAlSi3O8)
Sandstone (Micaceous)
Arenite (composed primarily of SiO2)
Quartz Sandstone
Quartz Arenite
Banded Sandstone
Quartz-rich Arenite Sandstone
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (with Iron Staining)
Arenite (Siliclastic sedimentary rock)
Sandstone or Mudstone
Sedimentary Rock
Sandstone
Arenite (primarily SiO2 with various cementing agents)
Agate (Carnelian type)
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Pebble (likely Sandstone or Granitic Pebble)
Clastic Sediment (or specific rock type, e.g., Arenite, Granitoid Pebble)
Breccia
Sedimentary Breccia
Sandstone Pebble
Arenite (SiO2 dominated)
Sandstone (Lithic Sandstone / Greywacke)
Sandstone (SiO2 rich clastic sedimentary rock)
Shale or Argillite
Shale (sedimentary) / Argillite (metamorphic)
Chert / Flint
Cryptocrystalline quartz (SiO2)
Sandstone
Arenite (SiO2 based with various mineral cements)
Fossiliferous Shale
Sedimentary Clastic Rock with fossil inclusions (likely Brachiopod or Bivalve impressions)
Sandstone (Calcareous or Quartz-rich)
Arenite
Sandstone
Arenite (SiO2 based)
Fossilized Dinosaur Skull (Tyrannosaurus rex)
Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica
Sandstone
Sandstone (clastic sedimentary rock)
Amber
Fossilized Tree Resin
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Hematite Nodules (Moqui Marbles style)
Iron Oxide (Fe2O3)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (primarily SiO2)
Sandstone (Pebble)
Sandstone (SiO2 dominated clastic sedimentary rock)
Septarian Nodule
Septarian Concretion (CaCO3 with Siderite/Limonite streaks)
Sandstone (Quartzose)
Arenite (SiO2 principal composition)
Quartz Geode
Silicon Dioxide (SiO2)
Sandstone (likely Arkose or Lithic)
Clastic sedimentary rock (SiO2 + impurities)
Sandstone (Fossiliferous)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)