Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Category
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
River Pebble
Quartzite / Weathered Sedimentary Rock
Banded Sandstone Peabble
Arenite with iron oxide banding
River Stone (Sedimentary Sandstone/Quartzite)
Arenite/Quartzite transition specimen
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Sandstone
Arenite
Sandstone (Iron-stained)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Sandstone
Arenite (SiO2 primarily)
Weathered Sandstone
Quartz Arenite / Clastic Sedimentary Rock
Sandstone
Clastic sedimentary rock (primarily SiO2)
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
Sandstone
Arenite (SiO2 based)
Red Sandstone
Sedimentary Arenite / Quartzose Sandstone
Sandstone Pebble
Sandstone (primarily Quartz, SiO2)
Red Siltstone (or Red Shale)
Clastic Sedimentary Rock (Composition: primarily Quartz, Clay minerals, and Hematite Fe2O3)
Limonite Concretion
Limonite (FeO(OH)·nH2O) Pseudomorph
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Sandstone Anvil / Nutting Stone
Quartzose Sandstone (Sedimentary Rock)
Sandstone Pebble
Quartzose Sandstone (Sedimentary Rock)
Biotite (Black Mica)
Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2
Worn River Pebble with Fossil Indentation
Sedimentary Rock with Fossil Infill
Sandstone (lithic)
Lithic Wacke / Arenite
Sandstone
Sandstone (SiO2 dominated)
Sandstone (Lithic Wacke)
Clastic sedimentary rock (primarily SiO2 with rock fragments)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide cement)
Clear Quartz (Faceted)
Silicon Dioxide (SiO2)
Ferruginous Sandstone (River Pebble)
Clastic Sedimentary Rock (Iron-rich)
Petrified Wood
Silicified wood (primarily quartz, SiO2)
Geode with Quartz and possibly Jasper/Hematite
Quartz (SiO2) and Chalcedony (cryptocrystalline SiO2), possibly stained by iron oxides
Quartz Geode
Silicon Dioxide (SiO2)
Quartz-veined Mudstone or Argillite
SiO2 (Quartz) in Siltstone/Mudstone matrix
Sandstone
Arenite
Shark Tooth Fossil
Vertebrate fossilized tooth
Sandstone
Arenite (SiO2 with various cementing minerals)
Dalmation Jasper (or Dalmation Stone)
Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)
Sandstone
Quartz Arenite / Clastic Sedimentary Rock
Sandstone Concretion
Clastic sedimentary rock (primarily Quartz SiO2 with mineral cement)
Quartz Geode
Silicon Dioxide (SiO2)
Jasper and Chalcedony
Silicon Dioxide (SiO2) microcrystalline quartz
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite
Breccia
Breccia (Sedimentary Clastic Rock)